12815250142 has 8 divisors (see below), whose sum is σ = 19234037016. Its totient is φ = 6403904472.

The previous prime is 12815250137. The next prime is 12815250143. The reversal of 12815250142 is 24105251821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12815250143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855993 + ... + 1862884.

It is an arithmetic number, because the mean of its divisors is an integer number (2404254627).

Almost surely, 2^12815250142 is an apocalyptic number.

12815250142 is a deficient number, since it is larger than the sum of its proper divisors (6418786874).

12815250142 is a wasteful number, since it uses less digits than its factorization.

12815250142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720602.

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 12815250142 in words is "twelve billion, eight hundred fifteen million, two hundred fifty thousand, one hundred forty-two".