120861012 has 24 divisors (see below), whose sum is σ = 282756096. Its totient is φ = 40180288.

The previous prime is 120860963. The next prime is 120861029. The reversal of 120861012 is 210168021.

It is a self number, because there is not a number n which added to its sum of digits gives 120861012.

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, 8553 + ... + 17744.

It is an arithmetic number, because the mean of its divisors is an integer number (11781504).

Almost surely, 2^120861012 is an apocalyptic number.

120861012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120861012 is an abundant number, since it is smaller than the sum of its proper divisors (161895084).

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

120861012 is a wasteful number, since it uses less digits than its factorization.

120861012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26687 (or 26685 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 120861012 is about 10993.6805483878. The cubic root of 120861012 is about 494.4192924835.

The spelling of 120861012 in words is "one hundred twenty million, eight hundred sixty-one thousand, twelve".