12250018140 has 48 divisors (see below), whose sum is σ = 34713318528. Its totient is φ = 3227312704.

The previous prime is 12250018139. The next prime is 12250018213. The reversal of 12250018140 is 4181005221.

It is a self number, because there is not a number n which added to its sum of digits gives 12250018140.

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, 1224942 + ... + 1234901.

It is an arithmetic number, because the mean of its divisors is an integer number (723194136).

Almost surely, 2^12250018140 is an apocalyptic number.

12250018140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12250018140 is an abundant number, since it is smaller than the sum of its proper divisors (22463300388).

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

12250018140 is a wasteful number, since it uses less digits than its factorization.

12250018140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459938 (or 2459936 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The spelling of 12250018140 in words is "twelve billion, two hundred fifty million, eighteen thousand, one hundred forty".