1252090279008 has 72 divisors (see below), whose sum is σ = 3564276986088. Its totient is φ = 416936143872.

The previous prime is 1252090278979. The next prime is 1252090279051. The reversal of 1252090279008 is 8009720902521.

It is a happy number.

1252090279008 is a `hidden beast` number, since 12 + 520 + 9 + 0 + 27 + 90 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1943566 + ... + 2506317.

It is an arithmetic number, because the mean of its divisors is an integer number (49503847029).

Almost surely, 2^{1252090279008} is an apocalyptic number.

1252090279008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1252090279008 is an abundant number, since it is smaller than the sum of its proper divisors (2312186707080).

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

1252090279008 is a wasteful number, since it uses less digits than its factorization.

1252090279008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450876 (or 4450865 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 1252090279008 in words is "one trillion, two hundred fifty-two billion, ninety million, two hundred seventy-nine thousand, eight".