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121032040120 = 2356745161209
BaseRepresentation
bin111000010111000010…
…0100101111010111000
3102120101221010200101121
41300232010211322320
53440333200240440
6131333520355024
711513200236505
oct1605604457270
9376357120347
10121032040120
1147369482142
121b559475a74
13b54ac61cb4
145c024344ac
1532358b534a
hex1c2e125eb8

121032040120 has 32 divisors (see below), whose sum is σ = 276386605200. Its totient is φ = 47690235648.

The previous prime is 121032040109. The next prime is 121032040211. The reversal of 121032040120 is 21040230121.

It is a super-2 number, since 2×1210320401202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121032040094 and 121032040103.

It is a congruent number.

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, 22577925 + ... + 22583284.

Almost surely, 2121032040120 is an apocalyptic number.

121032040120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032040120 is an abundant number, since it is smaller than the sum of its proper divisors (155354565080).

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

121032040120 is a wasteful number, since it uses less digits than its factorization.

121032040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45161287 (or 45161283 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121032040120 its reverse (21040230121), we get a palindrome (142072270241).

The spelling of 121032040120 in words is "one hundred twenty-one billion, thirty-two million, forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 45161209 90322418 180644836 225806045 361289672 451612090 903224180 1806448360 3025801003 6051602006 12103204012 15129005015 24206408024 30258010030 60516020060 121032040120