1238971499052 has 24 divisors (see below), whose sum is σ = 3303923997696. Its totient is φ = 353991856848.

The previous prime is 1238971499033. The next prime is 1238971499053. The reversal of 1238971499052 is 2509941798321.

It is not an unprimeable number, because it can be changed into a prime (1238971499053) 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, 7374830268 + ... + 7374830435.

It is an arithmetic number, because the mean of its divisors is an integer number (137663499904).

Almost surely, 2^{1238971499052} is an apocalyptic number.

1238971499052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238971499052 is an abundant number, since it is smaller than the sum of its proper divisors (2064952498644).

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

1238971499052 is a wasteful number, since it uses less digits than its factorization.

1238971499052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749660717 (or 14749660715 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 1238971499052 in words is "one trillion, two hundred thirty-eight billion, nine hundred seventy-one million, four hundred ninety-nine thousand, fifty-two".