105721792712 has 16 divisors (see below), whose sum is σ = 198237634800. Its totient is φ = 52858423440.

The previous prime is 105721792699. The next prime is 105721792721. The reversal of 105721792712 is 217297127501.

It is a super-2 number, since 2×105721792712² (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, 120662 + ... + 475397.

It is an arithmetic number, because the mean of its divisors is an integer number (12389852175).

Almost surely, 2^105721792712 is an apocalyptic number.

It is an amenable number.

105721792712 is a deficient number, since it is larger than the sum of its proper divisors (92515842088).

105721792712 is a wasteful number, since it uses less digits than its factorization.

105721792712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618236 (or 618232 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 44.

The spelling of 105721792712 in words is "one hundred five billion, seven hundred twenty-one million, seven hundred ninety-two thousand, seven hundred twelve".