23212022312 has 8 divisors (see below), whose sum is σ = 43522541850. Its totient is φ = 11606011152.

The previous prime is 23212022311. The next prime is 23212022329. The reversal of 23212022312 is 21322021232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22974677476 + 237344836 = 151574^2 + 15406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23212022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450751387 + ... + 1450751402.

Almost surely, 2^23212022312 is an apocalyptic number.

It is an amenable number.

23212022312 is a deficient number, since it is larger than the sum of its proper divisors (20310519538).

23212022312 is a wasteful number, since it uses less digits than its factorization.

23212022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901502795 (or 2901502791 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23212022312 its reverse (21322021232), we get a palindrome (44534043544).

The spelling of 23212022312 in words is "twenty-three billion, two hundred twelve million, twenty-two thousand, three hundred twelve".