12531214806 has 16 divisors (see below), whose sum is σ = 27340832448. Its totient is φ = 3797337800.

The previous prime is 12531214771. The next prime is 12531214823. The reversal of 12531214806 is 60841213521.

It is a super-2 number, since 2×12531214806² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94933380 + ... + 94933511.

It is an arithmetic number, because the mean of its divisors is an integer number (1708802028).

Almost surely, 2^12531214806 is an apocalyptic number.

12531214806 is an abundant number, since it is smaller than the sum of its proper divisors (14809617642).

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

12531214806 is a wasteful number, since it uses less digits than its factorization.

12531214806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189866907.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 12531214806 in words is "twelve billion, five hundred thirty-one million, two hundred fourteen thousand, eight hundred six".