12899291516562 has 32 divisors (see below), whose sum is σ = 28227421894464. Its totient is φ = 3897277171200.

The previous prime is 12899291516557. The next prime is 12899291516569. The reversal of 12899291516562 is 26561519299821.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 12899291516493 and 12899291516502.

It is not an unprimeable number, because it can be changed into a prime (12899291516569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289953739 + ... + 289998222.

It is an arithmetic number, because the mean of its divisors is an integer number (882106934202).

Almost surely, 2^{12899291516562} is an apocalyptic number.

12899291516562 is an abundant number, since it is smaller than the sum of its proper divisors (15328130377902).

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

12899291516562 is a wasteful number, since it uses less digits than its factorization.

12899291516562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579952314.

The product of its digits is 41990400, while the sum is 66.

The spelling of 12899291516562 in words is "twelve trillion, eight hundred ninety-nine billion, two hundred ninety-one million, five hundred sixteen thousand, five hundred sixty-two".