12531020214 has 16 divisors (see below), whose sum is σ = 25739393328. Its totient is φ = 4064114592.

The previous prime is 12531020209. The next prime is 12531020267. The reversal of 12531020214 is 41202013521.

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, 28222797 + ... + 28223240.

It is an arithmetic number, because the mean of its divisors is an integer number (1608712083).

Almost surely, 2^12531020214 is an apocalyptic number.

12531020214 is an abundant number, since it is smaller than the sum of its proper divisors (13208373114).

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

12531020214 is a wasteful number, since it uses less digits than its factorization.

12531020214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56446079.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12531020214 its reverse (41202013521), we get a palindrome (53733033735).

The spelling of 12531020214 in words is "twelve billion, five hundred thirty-one million, twenty thousand, two hundred fourteen".