1253444425212 has 24 divisors (see below), whose sum is σ = 3342518467456. Its totient is φ = 358126978608.

The previous prime is 1253444425157. The next prime is 1253444425213. The reversal of 1253444425212 is 2125244443521.

It is a super-2 number, since 2×1253444425212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253444425213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7460978638 + ... + 7460978805.

Almost surely, 2^{1253444425212} is an apocalyptic number.

1253444425212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253444425212 is an abundant number, since it is smaller than the sum of its proper divisors (2089074042244).

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

1253444425212 is a wasteful number, since it uses less digits than its factorization.

1253444425212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14921957457 (or 14921957455 counting only the distinct ones).

The product of its digits is 307200, while the sum is 39.

Adding to 1253444425212 its reverse (2125244443521), we get a palindrome (3378688868733).

The spelling of 1253444425212 in words is "one trillion, two hundred fifty-three billion, four hundred forty-four million, four hundred twenty-five thousand, two hundred twelve".