12911069240 has 64 divisors (see below), whose sum is σ = 31155904800. Its totient is φ = 4800287232.

The previous prime is 12911069231. The next prime is 12911069263. The reversal of 12911069240 is 4296011921.

It is a self number, because there is not a number n which added to its sum of digits gives 12911069240.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 119987 + ... + 200546.

Almost surely, 2^12911069240 is an apocalyptic number.

12911069240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12911069240 is an abundant number, since it is smaller than the sum of its proper divisors (18244835560).

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

12911069240 is a wasteful number, since it uses less digits than its factorization.

12911069240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320616 (or 320612 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 12911069240 in words is "twelve billion, nine hundred eleven million, sixty-nine thousand, two hundred forty".