1012530251253 has 4 divisors (see below), whose sum is σ = 1350040335008. Its totient is φ = 675020167500.

The previous prime is 1012530251237. The next prime is 1012530251347. The reversal of 1012530251253 is 3521520352101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1012530251253 - 2⁴ = 1012530251237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012530251253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012530259253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168755041873 + ... + 168755041878.

It is an arithmetic number, because the mean of its divisors is an integer number (337510083752).

Almost surely, 2^{1012530251253} is an apocalyptic number.

It is an amenable number.

1012530251253 is a deficient number, since it is larger than the sum of its proper divisors (337510083755).

1012530251253 is an equidigital number, since it uses as much as digits as its factorization.

1012530251253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337510083754.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 1012530251253 in words is "one trillion, twelve billion, five hundred thirty million, two hundred fifty-one thousand, two hundred fifty-three".