12430978651 has 16 divisors (see below), whose sum is σ = 15588345024. Its totient is φ = 9649920384.

The previous prime is 12430978621. The next prime is 12430978669. The reversal of 12430978651 is 15687903421.

It is not a de Polignac number, because 12430978651 - 2⁵ = 12430978619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12430978621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283896 + ... + 1293541.

It is an arithmetic number, because the mean of its divisors is an integer number (974271564).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12430978651 = 24861957302, but 3⋅12430978651 = 37292935953 is not.

Almost surely, 2^12430978651 is an apocalyptic number.

12430978651 is a deficient number, since it is larger than the sum of its proper divisors (3157366373).

12430978651 is a wasteful number, since it uses less digits than its factorization.

12430978651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577510.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 12430978651 in words is "twelve billion, four hundred thirty million, nine hundred seventy-eight thousand, six hundred fifty-one".