120012120320 has 72 divisors (see below), whose sum is σ = 296739744000. Its totient is φ = 46456289280.

The previous prime is 120012120281. The next prime is 120012120373. The reversal of 120012120320 is 23021210021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120012120295 and 120012120304.

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, 1472570 + ... + 1551929.

Almost surely, 2^120012120320 is an apocalyptic number.

120012120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012120320 is an abundant number, since it is smaller than the sum of its proper divisors (176727623680).

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

120012120320 is an equidigital number, since it uses as much as digits as its factorization.

120012120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024551 (or 3024537 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120012120320 its reverse (23021210021), we get a palindrome (143033330341).

The spelling of 120012120320 in words is "one hundred twenty billion, twelve million, one hundred twenty thousand, three hundred twenty".