1252802812 has 12 divisors (see below), whose sum is σ = 2195985736. Its totient is φ = 625378320.

The previous prime is 1252802809. The next prime is 1252802827. The reversal of 1252802812 is 2182082521.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 253014 + ... + 257917.

Almost surely, 2^1252802812 is an apocalyptic number.

It is an amenable number.

1252802812 is a deficient number, since it is larger than the sum of its proper divisors (943182924).

1252802812 is a wasteful number, since it uses less digits than its factorization.

1252802812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511548 (or 511546 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 1252802812 is about 35394.9546122043. The cubic root of 1252802812 is about 1078.0218740506.

The spelling of 1252802812 in words is "one billion, two hundred fifty-two million, eight hundred two thousand, eight hundred twelve".