21412023131213 has 24 divisors (see below), whose sum is σ = 25473321888000. Its totient is φ = 17877838920480.

The previous prime is 21412023131209. The next prime is 21412023131221. The reversal of 21412023131213 is 31213132021412.

It is not a de Polignac number, because 21412023131213 - 2² = 21412023131209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412023131273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33888533 + ... + 34514586.

It is an arithmetic number, because the mean of its divisors is an integer number (1061388412000).

Almost surely, 2^{21412023131213} is an apocalyptic number.

It is an amenable number.

21412023131213 is a deficient number, since it is larger than the sum of its proper divisors (4061298756787).

21412023131213 is a wasteful number, since it uses less digits than its factorization.

21412023131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68403353 (or 68403342 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 21412023131213 its reverse (31213132021412), we get a palindrome (52625155152625).

The spelling of 21412023131213 in words is "twenty-one trillion, four hundred twelve billion, twenty-three million, one hundred thirty-one thousand, two hundred thirteen".