12213122100331 has 16 divisors (see below), whose sum is σ = 12269975814144. Its totient is φ = 12156367058784.

The previous prime is 12213122100313. The next prime is 12213122100371. The reversal of 12213122100331 is 13300122131221.

It is a cyclic number.

It is not a de Polignac number, because 12213122100331 - 2⁵ = 12213122100299 is a prime.

It is a super-2 number, since 2×12213122100331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213122100371) 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, 2068965726 + ... + 2068971628.

It is an arithmetic number, because the mean of its divisors is an integer number (766873488384).

Almost surely, 2^{12213122100331} is an apocalyptic number.

12213122100331 is a deficient number, since it is larger than the sum of its proper divisors (56853713813).

12213122100331 is a wasteful number, since it uses less digits than its factorization.

12213122100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12213122100331 its reverse (13300122131221), we get a palindrome (25513244231552).

The spelling of 12213122100331 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-two million, one hundred thousand, three hundred thirty-one".