106520721712 has 20 divisors (see below), whose sum is σ = 206437665616. Its totient is φ = 53246485440.

The previous prime is 106520721691. The next prime is 106520721731. The reversal of 106520721712 is 217127025601.

It is a super-2 number, since 2×106520721712² (a number of 23 digits) contains 22 as substring.

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, 803739 + ... + 926842.

Almost surely, 2^106520721712 is an apocalyptic number.

It is an amenable number.

106520721712 is a deficient number, since it is larger than the sum of its proper divisors (99916943904).

106520721712 is a wasteful number, since it uses less digits than its factorization.

106520721712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734436 (or 1734430 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 106520721712 in words is "one hundred six billion, five hundred twenty million, seven hundred twenty-one thousand, seven hundred twelve".