1012386764571 has 48 divisors (see below), whose sum is σ = 1703928619008. Its totient is φ = 529929691200.

The previous prime is 1012386764563. The next prime is 1012386764611. The reversal of 1012386764571 is 1754676832101.

It is a happy number.

It is not a de Polignac number, because 1012386764571 - 2³ = 1012386764563 is a prime.

It is a super-2 number, since 2×1012386764571² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012386764171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1771675 + ... + 2272356.

It is an arithmetic number, because the mean of its divisors is an integer number (35498512896).

Almost surely, 2^{1012386764571} is an apocalyptic number.

1012386764571 is a deficient number, since it is larger than the sum of its proper divisors (691541854437).

1012386764571 is a wasteful number, since it uses less digits than its factorization.

1012386764571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044192 (or 4044185 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 1012386764571 in words is "one trillion, twelve billion, three hundred eighty-six million, seven hundred sixty-four thousand, five hundred seventy-one".