1212011113313 has 32 divisors (see below), whose sum is σ = 1627500306432. Its totient is φ = 871677288000.

The previous prime is 1212011113309. The next prime is 1212011113351. The reversal of 1212011113313 is 3133111102121.

It is a cyclic number.

It is not a de Polignac number, because 1212011113313 - 2² = 1212011113309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212011112313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9408488 + ... + 9536438.

It is an arithmetic number, because the mean of its divisors is an integer number (50859384576).

Almost surely, 2^{1212011113313} is an apocalyptic number.

1212011113313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1212011113313 is a deficient number, since it is larger than the sum of its proper divisors (415489193119).

1212011113313 is a wasteful number, since it uses less digits than its factorization.

1212011113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137445.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1212011113313 its reverse (3133111102121), we get a palindrome (4345122215434).

The spelling of 1212011113313 in words is "one trillion, two hundred twelve billion, eleven million, one hundred thirteen thousand, three hundred thirteen".