1012205131402 has 8 divisors (see below), whose sum is σ = 1518319311300. Its totient is φ = 506098694304.

The previous prime is 1012205131397. The next prime is 1012205131433. The reversal of 1012205131402 is 2041315022101.

It can be written as a sum of positive squares in 2 ways, for example, as 918398305561 + 93806825841 = 958331^2 + 306279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1597027 + ... + 2138902.

Almost surely, 2^{1012205131402} is an apocalyptic number.

1012205131402 is a deficient number, since it is larger than the sum of its proper divisors (506114179898).

1012205131402 is a wasteful number, since it uses less digits than its factorization.

1012205131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871400.

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 1012205131402 in words is "one trillion, twelve billion, two hundred five million, one hundred thirty-one thousand, four hundred two".