12222222213 has 8 divisors (see below), whose sum is σ = 16405668000. Its totient is φ = 8093462288.

The previous prime is 12222222197. The next prime is 12222222253. The reversal of 12222222213 is 31222222221.

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

It is a cyclic number.

It is not a de Polignac number, because 12222222213 - 2⁴ = 12222222197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222222213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222222253) 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, 13670943 + ... + 13671836.

It is an arithmetic number, because the mean of its divisors is an integer number (2050708500).

Almost surely, 2^12222222213 is an apocalyptic number.

It is an amenable number.

12222222213 is a deficient number, since it is larger than the sum of its proper divisors (4183445787).

12222222213 is a wasteful number, since it uses less digits than its factorization.

12222222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27342931.

The product of its digits is 768, while the sum is 21.

Adding to 12222222213 its reverse (31222222221), we get a palindrome (43444444434).

It can be divided in two parts, 1222222221 and 3, that multiplied together give a palindrome (3666666663).

The spelling of 12222222213 in words is "twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirteen".