1252094917720 has 16 divisors (see below), whose sum is σ = 2817213564960. Its totient is φ = 500837967072.

The previous prime is 1252094917687. The next prime is 1252094917739. The reversal of 1252094917720 is 277194902521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15651186432 + ... + 15651186511.

It is an arithmetic number, because the mean of its divisors is an integer number (176075847810).

Almost surely, 2^{1252094917720} is an apocalyptic number.

1252094917720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252094917720 is an abundant number, since it is smaller than the sum of its proper divisors (1565118647240).

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

1252094917720 is a wasteful number, since it uses less digits than its factorization.

1252094917720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31302372954 (or 31302372950 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 1252094917720 in words is "one trillion, two hundred fifty-two billion, ninety-four million, nine hundred seventeen thousand, seven hundred twenty".