12508333140 has 48 divisors (see below), whose sum is σ = 35180425728. Its totient is φ = 3320594304.

The previous prime is 12508333139. The next prime is 12508333163. The reversal of 12508333140 is 4133380521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12508333098 and 12508333107.

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, 454047 + ... + 480806.

It is an arithmetic number, because the mean of its divisors is an integer number (732925536).

Almost surely, 2^12508333140 is an apocalyptic number.

12508333140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12508333140 is an abundant number, since it is smaller than the sum of its proper divisors (22672092588).

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

12508333140 is a wasteful number, since it uses less digits than its factorization.

12508333140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935088 (or 935086 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 12508333140 in words is "twelve billion, five hundred eight million, three hundred thirty-three thousand, one hundred forty".