12031121021322 has 64 divisors (see below), whose sum is σ = 26521938584064. Its totient is φ = 3615260144640.

The previous prime is 12031121021287. The next prime is 12031121021341. The reversal of 12031121021322 is 22312012113021.

It is a super-2 number, since 2×12031121021322² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869423 + ... + 5249474.

It is an arithmetic number, because the mean of its divisors is an integer number (414405290376).

Almost surely, 2^{12031121021322} is an apocalyptic number.

12031121021322 is an abundant number, since it is smaller than the sum of its proper divisors (14490817562742).

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

12031121021322 is a wasteful number, since it uses less digits than its factorization.

12031121021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119423.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12031121021322 its reverse (22312012113021), we get a palindrome (34343133134343).

The spelling of 12031121021322 in words is "twelve trillion, thirty-one billion, one hundred twenty-one million, twenty-one thousand, three hundred twenty-two".