120165161012 has 24 divisors (see below), whose sum is σ = 226585182600. Its totient is φ = 55431438336.

The previous prime is 120165161009. The next prime is 120165161033. The reversal of 120165161012 is 210161561021.

It can be written as a sum of positive squares in 4 ways, for example, as 31500570256 + 88664590756 = 177484^2 + 297766^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 513437 + ... + 709892.

It is an arithmetic number, because the mean of its divisors is an integer number (9441049275).

Almost surely, 2^120165161012 is an apocalyptic number.

It is an amenable number.

120165161012 is a deficient number, since it is larger than the sum of its proper divisors (106420021588).

120165161012 is a wasteful number, since it uses less digits than its factorization.

120165161012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225235 (or 1225233 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 120165161012 in words is "one hundred twenty billion, one hundred sixty-five million, one hundred sixty-one thousand, twelve".