121324211312 has 20 divisors (see below), whose sum is σ = 235083231240. Its totient is φ = 60657571008.

The previous prime is 121324211293. The next prime is 121324211357. The reversal of 121324211312 is 213112423121.

It is a super-2 number, since 2×121324211312² (a number of 23 digits) contains 22 as substring.

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, 57218 + ... + 495905.

It is an arithmetic number, because the mean of its divisors is an integer number (11754161562).

Almost surely, 2^121324211312 is an apocalyptic number.

It is an amenable number.

121324211312 is a deficient number, since it is larger than the sum of its proper divisors (113759019928).

121324211312 is a wasteful number, since it uses less digits than its factorization.

121324211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566840 (or 566834 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 121324211312 its reverse (213112423121), we get a palindrome (334436634433).

The spelling of 121324211312 in words is "one hundred twenty-one billion, three hundred twenty-four million, two hundred eleven thousand, three hundred twelve".