121212001331313 has 16 divisors (see below), whose sum is σ = 165627767025600. Its totient is φ = 78807874025664.

The previous prime is 121212001331299. The next prime is 121212001331339. The reversal of 121212001331313 is 313133100212121.

121212001331313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 121212001331313 - 2²⁸ = 121211732895857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121212001331413) 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, 719385838 + ... + 719554311.

It is an arithmetic number, because the mean of its divisors is an integer number (10351735439100).

Almost surely, 2^{121212001331313} is an apocalyptic number.

It is an amenable number.

121212001331313 is a deficient number, since it is larger than the sum of its proper divisors (44415765694287).

121212001331313 is a wasteful number, since it uses less digits than its factorization.

121212001331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438940848.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121212001331313 its reverse (313133100212121), we get a palindrome (434345101543434).

The spelling of 121212001331313 in words is "one hundred twenty-one trillion, two hundred twelve billion, one million, three hundred thirty-one thousand, three hundred thirteen".