12212023211206 has 72 divisors (see below), whose sum is σ = 24077171163024. Its totient is φ = 4621080784320.

The previous prime is 12212023211161. The next prime is 12212023211207. The reversal of 12212023211206 is 60211232021221.

12212023211206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12212023211206² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212023211207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15648465 + ... + 16410316.

It is an arithmetic number, because the mean of its divisors is an integer number (334405155042).

Almost surely, 2^{12212023211206} is an apocalyptic number.

12212023211206 is a deficient number, since it is larger than the sum of its proper divisors (11865147951818).

12212023211206 is a wasteful number, since it uses less digits than its factorization.

12212023211206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32058846 (or 32058826 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12212023211206 its reverse (60211232021221), we get a palindrome (72423255232427).

The spelling of 12212023211206 in words is "twelve trillion, two hundred twelve billion, twenty-three million, two hundred eleven thousand, two hundred six".