12320634451 has 8 divisors (see below), whose sum is σ = 13466196864. Its totient is φ = 11221829760.

The previous prime is 12320634367. The next prime is 12320634461. The reversal of 12320634451 is 15443602321.

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

It is a cyclic number.

It is not a de Polignac number, because 12320634451 - 2¹³ = 12320626259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320634461) 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, 11688880 + ... + 11689933.

It is an arithmetic number, because the mean of its divisors is an integer number (1683274608).

Almost surely, 2^12320634451 is an apocalyptic number.

12320634451 is a deficient number, since it is larger than the sum of its proper divisors (1145562413).

12320634451 is a wasteful number, since it uses less digits than its factorization.

12320634451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23378861.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 12320634451 in words is "twelve billion, three hundred twenty million, six hundred thirty-four thousand, four hundred fifty-one".