12401969154 has 16 divisors (see below), whose sum is σ = 25271937792. Its totient is φ = 4055989808.

The previous prime is 12401969143. The next prime is 12401969189. The reversal of 12401969154 is 45196910421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19499634 + ... + 19500269.

It is an arithmetic number, because the mean of its divisors is an integer number (1579496112).

Almost surely, 2^12401969154 is an apocalyptic number.

12401969154 is an abundant number, since it is smaller than the sum of its proper divisors (12869968638).

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

12401969154 is a wasteful number, since it uses less digits than its factorization.

12401969154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38999961.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 12401969154 in words is "twelve billion, four hundred one million, nine hundred sixty-nine thousand, one hundred fifty-four".