1012521465477 has 12 divisors (see below), whose sum is σ = 1462828392480. Its totient is φ = 674877054888.

The previous prime is 1012521465443. The next prime is 1012521465479. The reversal of 1012521465477 is 7745641252101.

1012521465477 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 521 + 4 + 6 + 54 + 77 = 666.

It is not a de Polignac number, because 1012521465477 - 2⁶ = 1012521465413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012521465479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11391223 + ... + 11479764.

It is an arithmetic number, because the mean of its divisors is an integer number (121902366040).

Almost surely, 2^{1012521465477} is an apocalyptic number.

It is an amenable number.

1012521465477 is a deficient number, since it is larger than the sum of its proper divisors (450306927003).

1012521465477 is a wasteful number, since it uses less digits than its factorization.

1012521465477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22875912 (or 22875909 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 1012521465477 in words is "one trillion, twelve billion, five hundred twenty-one million, four hundred sixty-five thousand, four hundred seventy-seven".