1250422812 has 48 divisors (see below), whose sum is σ = 3353632800. Its totient is φ = 402433920.

The previous prime is 1250422801. The next prime is 1250422837. The reversal of 1250422812 is 2182240521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 196489 + ... + 202752.

It is an arithmetic number, because the mean of its divisors is an integer number (69867350).

Almost surely, 2^1250422812 is an apocalyptic number.

1250422812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1250422812 is an abundant number, since it is smaller than the sum of its proper divisors (2103209988).

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

1250422812 is a wasteful number, since it uses less digits than its factorization.

1250422812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399283 (or 399275 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1250422812 is about 35361.3180184223. The cubic root of 1250422812 is about 1077.3387874364.

The spelling of 1250422812 in words is "one billion, two hundred fifty million, four hundred twenty-two thousand, eight hundred twelve".