12921201209324 has 12 divisors (see below), whose sum is σ = 23942225770344. Its totient is φ = 6080565274944.

The previous prime is 12921201209309. The next prime is 12921201209327. The reversal of 12921201209324 is 42390210212921.

It is not an unprimeable number, because it can be changed into a prime (12921201209327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95008832354 + ... + 95008832489.

It is an arithmetic number, because the mean of its divisors is an integer number (1995185480862).

Almost surely, 2^{12921201209324} is an apocalyptic number.

It is an amenable number.

12921201209324 is a deficient number, since it is larger than the sum of its proper divisors (11021024561020).

12921201209324 is a wasteful number, since it uses less digits than its factorization.

12921201209324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190017664864 (or 190017664862 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 12921201209324 in words is "twelve trillion, nine hundred twenty-one billion, two hundred one million, two hundred nine thousand, three hundred twenty-four".