12040287251 has 16 divisors (see below), whose sum is σ = 13168915200. Its totient is φ = 10964626848.

The previous prime is 12040287239. The next prime is 12040287271. The reversal of 12040287251 is 15278204021.

It is a cyclic number.

It is not a de Polignac number, because 12040287251 - 2⁶ = 12040287187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12040287271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76946 + ... + 173208.

It is an arithmetic number, because the mean of its divisors is an integer number (823057200).

Almost surely, 2^12040287251 is an apocalyptic number.

12040287251 is a deficient number, since it is larger than the sum of its proper divisors (1128627949).

12040287251 is a wasteful number, since it uses less digits than its factorization.

12040287251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96538.

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 12040287251 in words is "twelve billion, forty million, two hundred eighty-seven thousand, two hundred fifty-one".