1253442208812 has 24 divisors (see below), whose sum is σ = 3096739575216. Its totient is φ = 393236771328.

The previous prime is 1253442208783. The next prime is 1253442208853. The reversal of 1253442208812 is 2188022443521.

It is a super-2 number, since 2×1253442208812² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072162073 + ... + 3072162480.

It is an arithmetic number, because the mean of its divisors is an integer number (129030815634).

Almost surely, 2^{1253442208812} is an apocalyptic number.

1253442208812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253442208812 is an abundant number, since it is smaller than the sum of its proper divisors (1843297366404).

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

1253442208812 is a wasteful number, since it uses less digits than its factorization.

1253442208812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144324577 (or 6144324575 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 1253442208812 in words is "one trillion, two hundred fifty-three billion, four hundred forty-two million, two hundred eight thousand, eight hundred twelve".