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1220010010120 = 235112772750023
BaseRepresentation
bin10001110000001110010…
…000110110011000001000
311022122001121001221112101
4101300032100312120020
5124442040030310440
62332244224323144
7154066661660656
oct21601620663010
94278047057471
101220010010120
11430448932940
12178542a734b4
138b07b088995
1443097c97dd6
1521b0678269a
hex11c0e436608

1220010010120 has 32 divisors (see below), whose sum is σ = 2994570025920. Its totient is φ = 443640003520.

The previous prime is 1220010010103. The next prime is 1220010010133. The reversal of 1220010010120 is 210100100221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1220010010097 and 1220010010106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386374572 + ... + 1386375451.

It is an arithmetic number, because the mean of its divisors is an integer number (93580313310).

Almost surely, 21220010010120 is an apocalyptic number.

1220010010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220010010120 is an abundant number, since it is smaller than the sum of its proper divisors (1774560015800).

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

1220010010120 is a wasteful number, since it uses less digits than its factorization.

1220010010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772750045 (or 2772750041 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1220010010120 its reverse (210100100221), we get a palindrome (1430110110341).

The spelling of 1220010010120 in words is "one trillion, two hundred twenty billion, ten million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 2772750023 5545500046 11091000092 13863750115 22182000184 27727500230 30500250253 55455000460 61000500506 110910000920 122001001012 152501251265 244002002024 305002502530 610005005060 1220010010120