12321807032 has 8 divisors (see below), whose sum is σ = 23103388200. Its totient is φ = 6160903512.

The previous prime is 12321807023. The next prime is 12321807049. The reversal of 12321807032 is 23070812321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12321806986 and 12321807004.

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, 770112932 + ... + 770112947.

It is an arithmetic number, because the mean of its divisors is an integer number (2887923525).

Almost surely, 2^12321807032 is an apocalyptic number.

It is an amenable number.

12321807032 is a deficient number, since it is larger than the sum of its proper divisors (10781581168).

12321807032 is a wasteful number, since it uses less digits than its factorization.

12321807032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540225885 (or 1540225881 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 12321807032 in words is "twelve billion, three hundred twenty-one million, eight hundred seven thousand, thirty-two".