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120012232120 = 23511272755073
BaseRepresentation
bin110111111000101001…
…0010101010110111000
3102110202212012001210221
41233301102111112320
53431241112411440
6131044410345424
711446005066364
oct1576122252670
9373685161727
10120012232120
114699585a310
121b313a2b274
13b4178aac01
145b46c0c2a4
1531c60bed4a
hex1bf14955b8

120012232120 has 32 divisors (see below), whose sum is σ = 294575479920. Its totient is φ = 43640811520.

The previous prime is 120012232091. The next prime is 120012232129. The reversal of 120012232120 is 21232210021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120012232094 and 120012232103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012232129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136377097 + ... + 136377976.

Almost surely, 2120012232120 is an apocalyptic number.

120012232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012232120 is an abundant number, since it is smaller than the sum of its proper divisors (174563247800).

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

120012232120 is a wasteful number, since it uses less digits than its factorization.

120012232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272755095 (or 272755091 counting only the distinct ones).

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

Adding to 120012232120 its reverse (21232210021), we get a palindrome (141244442141).

The spelling of 120012232120 in words is "one hundred twenty billion, twelve million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 272755073 545510146 1091020292 1363775365 2182040584 2727550730 3000305803 5455101460 6000611606 10910202920 12001223212 15001529015 24002446424 30003058030 60006116060 120012232120