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120012310032 = 2432500256459
BaseRepresentation
bin110111111000101001…
…0101000011000010000
3102110202212100000200120
41233301102220120100
53431241122410112
6131044412150240
711446005542466
oct1576122503020
9373685300616
10120012310032
11469959028aa
121b313a68380
13b417907504
145b46c2c836
1531c60d7e8c
hex1bf14a8610

120012310032 has 20 divisors (see below), whose sum is σ = 310031801040. Its totient is φ = 40004103328.

The previous prime is 120012310027. The next prime is 120012310043. The reversal of 120012310032 is 230013210021.

It is a junction number, because it is equal to n+sod(n) for n = 120012309993 and 120012310020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250128182 + ... + 1250128277.

It is an arithmetic number, because the mean of its divisors is an integer number (15501590052).

Almost surely, 2120012310032 is an apocalyptic number.

120012310032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012310032 is an abundant number, since it is smaller than the sum of its proper divisors (190019491008).

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

120012310032 is a wasteful number, since it uses less digits than its factorization.

120012310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500256470 (or 2500256464 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120012310032 its reverse (230013210021), we get a palindrome (350025520053).

The spelling of 120012310032 in words is "one hundred twenty billion, twelve million, three hundred ten thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 2500256459 5000512918 7500769377 10001025836 15001538754 20002051672 30003077508 40004103344 60006155016 120012310032