12121002113012 has 12 divisors (see below), whose sum is σ = 22843427059236. Its totient is φ = 5594308667520.

The previous prime is 12121002113009. The next prime is 12121002113023. The reversal of 12121002113012 is 21031120012121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8244214383076 + 3876787729936 = 2871274^2 + 1968956^2 .

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, 116548097189 + ... + 116548097292.

It is an arithmetic number, because the mean of its divisors is an integer number (1903618921603).

Almost surely, 2^{12121002113012} is an apocalyptic number.

It is an amenable number.

12121002113012 is a deficient number, since it is larger than the sum of its proper divisors (10722424946224).

12121002113012 is a wasteful number, since it uses less digits than its factorization.

12121002113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233096194498 (or 233096194496 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12121002113012 its reverse (21031120012121), we get a palindrome (33152122125133).

The spelling of 12121002113012 in words is "twelve trillion, one hundred twenty-one billion, two million, one hundred thirteen thousand, twelve".