12213113003212 has 24 divisors (see below), whose sum is σ = 23316248566800. Its totient is φ = 5551342248960.

The previous prime is 12213113003153. The next prime is 12213113003219. The reversal of 12213113003212 is 21230031131221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12213113003219) 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, 1651164 + ... + 5210812.

It is an arithmetic number, because the mean of its divisors is an integer number (971510356950).

Almost surely, 2^{12213113003212} is an apocalyptic number.

It is an amenable number.

12213113003212 is a deficient number, since it is larger than the sum of its proper divisors (11103135563588).

12213113003212 is a wasteful number, since it uses less digits than its factorization.

12213113003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637641 (or 3637639 counting only the distinct ones).

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

Adding to 12213113003212 its reverse (21230031131221), we get a palindrome (33443144134433).

The spelling of 12213113003212 in words is "twelve trillion, two hundred thirteen billion, one hundred thirteen million, three thousand, two hundred twelve".