20212313430123 has 12 divisors (see below), whose sum is σ = 29496549039048. Its totient is φ = 13335959376000.

The previous prime is 20212313430107. The next prime is 20212313430173. The reversal of 20212313430123 is 32103431321202.

20212313430123 is a `hidden beast` number, since 2 + 0 + 21 + 2 + 313 + 4 + 301 + 23 = 666.

It is not a de Polignac number, because 20212313430123 - 2⁴ = 20212313430107 is a prime.

It is a super-2 number, since 2×20212313430123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212313430173) 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 11 ways as a sum of consecutive naturals, for example, 11576352753 + ... + 11576354498.

It is an arithmetic number, because the mean of its divisors is an integer number (2458045753254).

Almost surely, 2^{20212313430123} is an apocalyptic number.

20212313430123 is a deficient number, since it is larger than the sum of its proper divisors (9284235608925).

20212313430123 is a wasteful number, since it uses less digits than its factorization.

20212313430123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23152707354 (or 23152707351 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20212313430123 its reverse (32103431321202), we get a palindrome (52315744751325).

The spelling of 20212313430123 in words is "twenty trillion, two hundred twelve billion, three hundred thirteen million, four hundred thirty thousand, one hundred twenty-three".