12122122011213 has 16 divisors (see below), whose sum is σ = 16172996414400. Its totient is φ = 8076331562880.

The previous prime is 12122122011133. The next prime is 12122122011283. The reversal of 12122122011213 is 31211022122121.

It is not a de Polignac number, because 12122122011213 - 2³⁶ = 12053402534477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122122011213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122122011283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173314033 + ... + 173383961.

It is an arithmetic number, because the mean of its divisors is an integer number (1010812275900).

Almost surely, 2^{12122122011213} is an apocalyptic number.

It is an amenable number.

12122122011213 is a deficient number, since it is larger than the sum of its proper divisors (4050874403187).

12122122011213 is a wasteful number, since it uses less digits than its factorization.

12122122011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105452.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12122122011213 its reverse (31211022122121), we get a palindrome (43333144133334).

The spelling of 12122122011213 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, eleven thousand, two hundred thirteen".