1232312120212 has 12 divisors (see below), whose sum is σ = 2156571120340. Its totient is φ = 616148942976.

The previous prime is 1232312120203. The next prime is 1232312120213. The reversal of 1232312120212 is 2120212132321.

It can be written as a sum of positive squares in 2 ways, for example, as 707910207876 + 524401912336 = 841374^2 + 724156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232312120213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379733 + ... + 2090044.

Almost surely, 2^{1232312120212} is an apocalyptic number.

It is an amenable number.

1232312120212 is a deficient number, since it is larger than the sum of its proper divisors (924259000128).

1232312120212 is a wasteful number, since it uses less digits than its factorization.

1232312120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558570 (or 3558568 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1232312120212 its reverse (2120212132321), we get a palindrome (3352524252533).

The spelling of 1232312120212 in words is "one trillion, two hundred thirty-two billion, three hundred twelve million, one hundred twenty thousand, two hundred twelve".