12616204534 has 4 divisors (see below), whose sum is σ = 18924306804. Its totient is φ = 6308102266.

The previous prime is 12616204519. The next prime is 12616204583. The reversal of 12616204534 is 43540261621.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12616204534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3154051132 + ... + 3154051135.

It is an arithmetic number, because the mean of its divisors is an integer number (4731076701).

Almost surely, 2^12616204534 is an apocalyptic number.

12616204534 is a deficient number, since it is larger than the sum of its proper divisors (6308102270).

12616204534 is an equidigital number, since it uses as much as digits as its factorization.

12616204534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308102269.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 12616204534 in words is "twelve billion, six hundred sixteen million, two hundred four thousand, five hundred thirty-four".