12212113323021 has 8 divisors (see below), whose sum is σ = 16990766362560. Its totient is φ = 7787434582752.

The previous prime is 12212113322993. The next prime is 12212113323031. The reversal of 12212113323021 is 12032331121221.

12212113323021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12212113323021 - 2²¹ = 12212111225869 is a prime.

It is a super-2 number, since 2×12212113323021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12212113322982 and 12212113323000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212113323031) 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, 88493574736 + ... + 88493574873.

It is an arithmetic number, because the mean of its divisors is an integer number (2123845795320).

Almost surely, 2^{12212113323021} is an apocalyptic number.

It is an amenable number.

12212113323021 is a deficient number, since it is larger than the sum of its proper divisors (4778653039539).

12212113323021 is a wasteful number, since it uses less digits than its factorization.

12212113323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176987149635.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12212113323021 its reverse (12032331121221), we get a palindrome (24244444444242).

The spelling of 12212113323021 in words is "twelve trillion, two hundred twelve billion, one hundred thirteen million, three hundred twenty-three thousand, twenty-one".