12031322120212 has 12 divisors (see below), whose sum is σ = 21055660241140. Its totient is φ = 6015419194176.

The previous prime is 12031322120189. The next prime is 12031322120219. The reversal of 12031322120212 is 21202122313021.

It can be written as a sum of positive squares in 2 ways, for example, as 1661093079556 + 10370229040656 = 1288834^2 + 3220284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031322120219) 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, 60354537 + ... + 60553552.

Almost surely, 2^{12031322120212} is an apocalyptic number.

It is an amenable number.

12031322120212 is a deficient number, since it is larger than the sum of its proper divisors (9024338120928).

12031322120212 is a wasteful number, since it uses less digits than its factorization.

12031322120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120932970 (or 120932968 counting only the distinct ones).

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

Adding to 12031322120212 its reverse (21202122313021), we get a palindrome (33233444433233).

The spelling of 12031322120212 in words is "twelve trillion, thirty-one billion, three hundred twenty-two million, one hundred twenty thousand, two hundred twelve".