1252409688876 has 12 divisors (see below), whose sum is σ = 2922289274072. Its totient is φ = 417469896288.

The previous prime is 1252409688853. The next prime is 1252409688877. The reversal of 1252409688876 is 6788869042521.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1252409688877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52183737025 + ... + 52183737048.

Almost surely, 2^{1252409688876} is an apocalyptic number.

It is an amenable number.

1252409688876 is an abundant number, since it is smaller than the sum of its proper divisors (1669879585196).

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

1252409688876 is a wasteful number, since it uses less digits than its factorization.

1252409688876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104367474080 (or 104367474078 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 1252409688876 in words is "one trillion, two hundred fifty-two billion, four hundred nine million, six hundred eighty-eight thousand, eight hundred seventy-six".