1253102132120 has 32 divisors (see below), whose sum is σ = 2819932995600. Its totient is φ = 501160284288.

The previous prime is 1253102132111. The next prime is 1253102132153. The reversal of 1253102132120 is 212312013521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265494 + ... + 2763813.

Almost surely, 2^{1253102132120} is an apocalyptic number.

1253102132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253102132120 is an abundant number, since it is smaller than the sum of its proper divisors (1566830863480).

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

1253102132120 is a wasteful number, since it uses less digits than its factorization.

1253102132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035547 (or 5035543 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1253102132120 its reverse (212312013521), we get a palindrome (1465414145641).

The spelling of 1253102132120 in words is "one trillion, two hundred fifty-three billion, one hundred two million, one hundred thirty-two thousand, one hundred twenty".