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1202104112220 = 2232511607123289
BaseRepresentation
bin10001011111100010111…
…111010001010001011100
311020220211200222002022200
4101133202333101101130
5124143402123042340
62320123343011500
7152564155235004
oct21374277212134
94226750862280
101202104112220
1142389a483810
12174b86299b90
13894864b551b
1442279b65004
15214097b6330
hex117e2fd145c

1202104112220 has 72 divisors (see below), whose sum is σ = 3977871796080. Its totient is φ = 291419178240.

The previous prime is 1202104112219. The next prime is 1202104112269. The reversal of 1202104112220 is 222114012021.

1202104112220 is a `hidden beast` number, since 1 + 2 + 0 + 210 + 411 + 22 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1202104112193 and 1202104112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303559665 + ... + 303563624.

It is an arithmetic number, because the mean of its divisors is an integer number (55248219390).

Almost surely, 21202104112220 is an apocalyptic number.

1202104112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202104112220 is an abundant number, since it is smaller than the sum of its proper divisors (2775767683860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202104112220 is a wasteful number, since it uses less digits than its factorization.

1202104112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607123315 (or 607123310 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202104112220 its reverse (222114012021), we get a palindrome (1424218124241).

The spelling of 1202104112220 in words is "one trillion, two hundred two billion, one hundred four million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 607123289 1214246578 1821369867 2428493156 3035616445 3642739734 5464109601 6071232890 6678356179 7285479468 9106849335 10928219202 12142465780 13356712358 18213698670 20035068537 21856438404 26713424716 27320548005 33391780895 36427397340 40070137074 54641096010 60105205611 66783561790 80140274148 100175342685 109282192020 120210411222 133567123580 200350685370 240420822444 300526028055 400701370740 601052056110 1202104112220