12465775140 has 96 divisors (see below), whose sum is σ = 42958997760. Its totient is φ = 2630140416.

The previous prime is 12465775111. The next prime is 12465775171. The reversal of 12465775140 is 4157756421.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 12465775092 and 12465775101.

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 31 ways as a sum of consecutive naturals, for example, 1136095 + ... + 1147014.

It is an arithmetic number, because the mean of its divisors is an integer number (447489560).

Almost surely, 2^12465775140 is an apocalyptic number.

12465775140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12465775140 is an abundant number, since it is smaller than the sum of its proper divisors (30493222620).

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

12465775140 is a wasteful number, since it uses less digits than its factorization.

12465775140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283141 (or 2283139 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 12465775140 in words is "twelve billion, four hundred sixty-five million, seven hundred seventy-five thousand, one hundred forty".