1253411232512 has 144 divisors (see below), whose sum is σ = 2706087508992. Its totient is φ = 577937817600.

The previous prime is 1253411232481. The next prime is 1253411232539. The reversal of 1253411232512 is 2152321143521.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18507512 + ... + 18575112.

It is an arithmetic number, because the mean of its divisors is an integer number (18792274368).

Almost surely, 2^{1253411232512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253411232512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353043754496).

1253411232512 is an abundant number, since it is smaller than the sum of its proper divisors (1452676276480).

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

1253411232512 is an equidigital number, since it uses as much as digits as its factorization.

1253411232512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67754 (or 67740 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The spelling of 1253411232512 in words is "one trillion, two hundred fifty-three billion, four hundred eleven million, two hundred thirty-two thousand, five hundred twelve".