120912745965 has 128 divisors (see below), whose sum is σ = 229808517120. Its totient is φ = 53652326400.

The previous prime is 120912745963. The next prime is 120912746021. The reversal of 120912745965 is 569547219021.

It is not a de Polignac number, because 120912745965 - 2¹ = 120912745963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120912745963) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13234539 + ... + 13243671.

It is an arithmetic number, because the mean of its divisors is an integer number (1795379040).

Almost surely, 2^120912745965 is an apocalyptic number.

120912745965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120912745965 is a deficient number, since it is larger than the sum of its proper divisors (108895771155).

120912745965 is a wasteful number, since it uses less digits than its factorization.

120912745965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 120912745965 in words is "one hundred twenty billion, nine hundred twelve million, seven hundred forty-five thousand, nine hundred sixty-five".