121213103013 has 12 divisors (see below), whose sum is σ = 177551588448. Its totient is φ = 79670583720.

The previous prime is 121213103003. The next prime is 121213103023. The reversal of 121213103013 is 310301312121.

It is an interprime number because it is at equal distance from previous prime (121213103003) and next prime (121213103023).

It is not a de Polignac number, because 121213103013 - 2⁸ = 121213102757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213103003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94845295 + ... + 94846572.

It is an arithmetic number, because the mean of its divisors is an integer number (14795965704).

Almost surely, 2^121213103013 is an apocalyptic number.

It is an amenable number.

121213103013 is a deficient number, since it is larger than the sum of its proper divisors (56338485435).

121213103013 is a wasteful number, since it uses less digits than its factorization.

121213103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189691944 (or 189691941 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121213103013 its reverse (310301312121), we get a palindrome (431514415134).

The spelling of 121213103013 in words is "one hundred twenty-one billion, two hundred thirteen million, one hundred three thousand, thirteen".