1012731709572 has 72 divisors (see below), whose sum is σ = 2896117197792. Its totient is φ = 306888393600.

The previous prime is 1012731709567. The next prime is 1012731709573. The reversal of 1012731709572 is 2759071372101.

1012731709572 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 7 + 3 + 1 + 70 + 9 + 572 = 666.

It is not an unprimeable number, because it can be changed into a prime (1012731709573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47348629 + ... + 47370012.

Almost surely, 2^{1012731709572} is an apocalyptic number.

1012731709572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012731709572 is an abundant number, since it is smaller than the sum of its proper divisors (1883385488220).

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

1012731709572 is a wasteful number, since it uses less digits than its factorization.

1012731709572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94718671 (or 94718657 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 45.

The spelling of 1012731709572 in words is "one trillion, twelve billion, seven hundred thirty-one million, seven hundred nine thousand, five hundred seventy-two".