3120121232013 has 16 divisors (see below), whose sum is σ = 4171454438400. Its totient is φ = 2074435256880.

The previous prime is 3120121232009. The next prime is 3120121232029. The reversal of 3120121232013 is 3102321210213.

It is not a de Polignac number, because 3120121232013 - 2² = 3120121232009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120121232083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16001878 + ... + 16195688.

It is an arithmetic number, because the mean of its divisors is an integer number (260715902400).

Almost surely, 2^{3120121232013} is an apocalyptic number.

It is an amenable number.

3120121232013 is a deficient number, since it is larger than the sum of its proper divisors (1051333206387).

3120121232013 is a wasteful number, since it uses less digits than its factorization.

3120121232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208352.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3120121232013 its reverse (3102321210213), we get a palindrome (6222442442226).

The spelling of 3120121232013 in words is "three trillion, one hundred twenty billion, one hundred twenty-one million, two hundred thirty-two thousand, thirteen".