12158724894250 has 32 divisors (see below), whose sum is σ = 24830326916928. Its totient is φ = 4421354506000.

The previous prime is 12158724894229. The next prime is 12158724894271. The reversal of 12158724894250 is 5249842785121.

It is an interprime number because it is at equal distance from previous prime (12158724894229) and next prime (12158724894271).

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, 2210674504 + ... + 2210680003.

It is an arithmetic number, because the mean of its divisors is an integer number (775947716154).

Almost surely, 2^{12158724894250} is an apocalyptic number.

12158724894250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12158724894250 is an abundant number, since it is smaller than the sum of its proper divisors (12671602022678).

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

12158724894250 is a wasteful number, since it uses less digits than its factorization.

12158724894250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421354535 (or 4421354525 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 12158724894250 in words is "twelve trillion, one hundred fifty-eight billion, seven hundred twenty-four million, eight hundred ninety-four thousand, two hundred fifty".