12221110011213 has 48 divisors (see below), whose sum is σ = 19384350148800. Its totient is φ = 7667760796416.

The previous prime is 12221110011193. The next prime is 12221110011233. The reversal of 12221110011213 is 31211001112221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12221110011193) and next prime (12221110011233).

It is not a de Polignac number, because 12221110011213 - 2⁵ = 12221110011181 is a prime.

It is a super-2 number, since 2×12221110011213² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221110011233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97218106 + ... + 97343732.

It is an arithmetic number, because the mean of its divisors is an integer number (403840628100).

Almost surely, 2^{12221110011213} is an apocalyptic number.

It is an amenable number.

12221110011213 is a deficient number, since it is larger than the sum of its proper divisors (7163240137587).

12221110011213 is a wasteful number, since it uses less digits than its factorization.

12221110011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149208 (or 149196 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12221110011213 its reverse (31211001112221), we get a palindrome (43432111123434).

The spelling of 12221110011213 in words is "twelve trillion, two hundred twenty-one billion, one hundred ten million, eleven thousand, two hundred thirteen".