20122030231213 has 16 divisors (see below), whose sum is σ = 20430628099200. Its totient is φ = 19815303974400.

The previous prime is 20122030231211. The next prime is 20122030231231. The reversal of 20122030231213 is 31213203022102.

It is a cyclic number.

It is not a de Polignac number, because 20122030231213 - 2¹ = 20122030231211 is a prime.

It is a super-2 number, since 2×20122030231213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122030231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94715653 + ... + 94927861.

It is an arithmetic number, because the mean of its divisors is an integer number (1276914256200).

Almost surely, 2^{20122030231213} is an apocalyptic number.

It is an amenable number.

20122030231213 is a deficient number, since it is larger than the sum of its proper divisors (308597867987).

20122030231213 is a wasteful number, since it uses less digits than its factorization.

20122030231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216612.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20122030231213 its reverse (31213203022102), we get a palindrome (51335233253315).

The spelling of 20122030231213 in words is "twenty trillion, one hundred twenty-two billion, thirty million, two hundred thirty-one thousand, two hundred thirteen".