12047655534 has 16 divisors (see below), whose sum is σ = 24114464640. Its totient is φ = 4012692920.

The previous prime is 12047655533. The next prime is 12047655577. The reversal of 12047655534 is 43555674021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047655533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789882 + ... + 804989.

It is an arithmetic number, because the mean of its divisors is an integer number (1507154040).

Almost surely, 2^12047655534 is an apocalyptic number.

12047655534 is an abundant number, since it is smaller than the sum of its proper divisors (12066809106).

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

12047655534 is a wasteful number, since it uses less digits than its factorization.

12047655534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596135.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 12047655534 in words is "twelve billion, forty-seven million, six hundred fifty-five thousand, five hundred thirty-four".