12365146040 has 64 divisors (see below), whose sum is σ = 31538656800. Its totient is φ = 4325294592.

The previous prime is 12365146039. The next prime is 12365146133. The reversal of 12365146040 is 4064156321.

It is a junction number, because it is equal to n+sod(n) for n = 12365145988 and 12365146006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615887 + ... + 635646.

Almost surely, 2^12365146040 is an apocalyptic number.

12365146040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12365146040 is an abundant number, since it is smaller than the sum of its proper divisors (19173510760).

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

12365146040 is a wasteful number, since it uses less digits than its factorization.

12365146040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251576 (or 1251572 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 12365146040 in words is "twelve billion, three hundred sixty-five million, one hundred forty-six thousand, forty".