1212313113311 has 8 divisors (see below), whose sum is σ = 1255266558000. Its totient is φ = 1169436304960.

The previous prime is 1212313113283. The next prime is 1212313113329. The reversal of 1212313113311 is 1133113132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212313113311 - 2⁶ = 1212313113247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212313113211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19126886 + ... + 19190163.

It is an arithmetic number, because the mean of its divisors is an integer number (156908319750).

Almost surely, 2^{1212313113311} is an apocalyptic number.

1212313113311 is a deficient number, since it is larger than the sum of its proper divisors (42953444689).

1212313113311 is a wasteful number, since it uses less digits than its factorization.

1212313113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38318169.

The product of its digits is 324, while the sum is 23.

Adding to 1212313113311 its reverse (1133113132121), we get a palindrome (2345426245432).

The spelling of 1212313113311 in words is "one trillion, two hundred twelve billion, three hundred thirteen million, one hundred thirteen thousand, three hundred eleven".