12405051040 has 48 divisors (see below), whose sum is σ = 29314897920. Its totient is φ = 4960672000.

The previous prime is 12405051031. The next prime is 12405051053. The reversal of 12405051040 is 4015050421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752001 + ... + 768319.

It is an arithmetic number, because the mean of its divisors is an integer number (610727040).

Almost surely, 2^12405051040 is an apocalyptic number.

12405051040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12405051040 is an abundant number, since it is smaller than the sum of its proper divisors (16909846880).

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

12405051040 is a wasteful number, since it uses less digits than its factorization.

12405051040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21085 (or 21077 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 12405051040 in words is "twelve billion, four hundred five million, fifty-one thousand, forty".