12632421534 has 8 divisors (see below), whose sum is σ = 25264843080. Its totient is φ = 4210807176.

The previous prime is 12632421517. The next prime is 12632421559. The reversal of 12632421534 is 43512423621.

It is a sphenic number, since it is the product of 3 distinct primes.

12632421534 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12632421495 and 12632421504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052701789 + ... + 1052701800.

It is an arithmetic number, because the mean of its divisors is an integer number (3158105385).

Almost surely, 2^12632421534 is an apocalyptic number.

12632421534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12632421534 is a wasteful number, since it uses less digits than its factorization.

12632421534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105403594.

The product of its digits is 34560, while the sum is 33.

The spelling of 12632421534 in words is "twelve billion, six hundred thirty-two million, four hundred twenty-one thousand, five hundred thirty-four".