6400121206324 has 12 divisors (see below), whose sum is σ = 11200242519648. Its totient is φ = 3200051915000.

The previous prime is 6400121206319. The next prime is 6400121206333. The reversal of 6400121206324 is 4236021210046.

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, 343552 + ... + 3594199.

It is an arithmetic number, because the mean of its divisors is an integer number (933353543304).

Almost surely, 2^{6400121206324} is an apocalyptic number.

It is an amenable number.

6400121206324 is a deficient number, since it is larger than the sum of its proper divisors (4800121313324).

6400121206324 is a wasteful number, since it uses less digits than its factorization.

6400121206324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344086 (or 4344084 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 6400121206324 in words is "six trillion, four hundred billion, one hundred twenty-one million, two hundred six thousand, three hundred twenty-four".