212212231023 has 32 divisors (see below), whose sum is σ = 310281158656. Its totient is φ = 128227857408.

The previous prime is 212212231003. The next prime is 212212231037. The reversal of 212212231023 is 320132212212.

It is not a de Polignac number, because 212212231023 - 2¹² = 212212226927 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 (212212231003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259590 + ... + 701292.

It is an arithmetic number, because the mean of its divisors is an integer number (9696286208).

Almost surely, 2^212212231023 is an apocalyptic number.

212212231023 is a deficient number, since it is larger than the sum of its proper divisors (98068927633).

212212231023 is a wasteful number, since it uses less digits than its factorization.

212212231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441943.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212212231023 its reverse (320132212212), we get a palindrome (532344443235).

The spelling of 212212231023 in words is "two hundred twelve billion, two hundred twelve million, two hundred thirty-one thousand, twenty-three".