12031210322012 has 96 divisors (see below), whose sum is σ = 26323480415232. Its totient is φ = 4694045561856.

The previous prime is 12031210321987. The next prime is 12031210322023. The reversal of 12031210322012 is 21022301213021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745223 + ... + 4961630.

It is an arithmetic number, because the mean of its divisors is an integer number (274202920992).

Almost surely, 2^{12031210322012} is an apocalyptic number.

It is an amenable number.

12031210322012 is an abundant number, since it is smaller than the sum of its proper divisors (14292270093220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12031210322012 is a wasteful number, since it uses less digits than its factorization.

12031210322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707027 (or 5707025 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12031210322012 its reverse (21022301213021), we get a palindrome (33053511535033).

The spelling of 12031210322012 in words is "twelve trillion, thirty-one billion, two hundred ten million, three hundred twenty-two thousand, twelve".