23210312212 has 6 divisors (see below), whose sum is σ = 40618046378. Its totient is φ = 11605156104.

The previous prime is 23210312173. The next prime is 23210312221. The reversal of 23210312212 is 21221301232.

It can be written as a sum of positive squares in only one way, i.e., 15684055696 + 7526256516 = 125236^2 + 86754^2 .

It is a super-3 number, since 3×23210312212³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23210312212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2901289023 + ... + 2901289030.

Almost surely, 2^23210312212 is an apocalyptic number.

It is an amenable number.

23210312212 is a deficient number, since it is larger than the sum of its proper divisors (17407734166).

23210312212 is a wasteful number, since it uses less digits than its factorization.

23210312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802578057 (or 5802578055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23210312212 its reverse (21221301232), we get a palindrome (44431613444).

The spelling of 23210312212 in words is "twenty-three billion, two hundred ten million, three hundred twelve thousand, two hundred twelve".