212302123222131 has 12 divisors (see below), whose sum is σ = 306699735093960. Its totient is φ = 141515773740000.

The previous prime is 212302123222087. The next prime is 212302123222139. The reversal of 212302123222131 is 131222321203212.

212302123222131 is a `hidden beast` number, since 2 + 1 + 2 + 302 + 1 + 2 + 3 + 222 + 131 = 666.

It is not a de Polignac number, because 212302123222131 - 2¹⁰ = 212302123221107 is a prime.

It is a super-2 number, since 2×212302123222131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212302123222095 and 212302123222104.

It is not an unprimeable number, because it can be changed into a prime (212302123222139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581185370 + ... + 1581319631.

It is an arithmetic number, because the mean of its divisors is an integer number (25558311257830).

Almost surely, 2^{212302123222131} is an apocalyptic number.

212302123222131 is a deficient number, since it is larger than the sum of its proper divisors (94397611871829).

212302123222131 is a wasteful number, since it uses less digits than its factorization.

212302123222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162512466 (or 3162512463 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 212302123222131 its reverse (131222321203212), we get a palindrome (343524444425343).

The spelling of 212302123222131 in words is "two hundred twelve trillion, three hundred two billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred thirty-one".