12021103231122 has 32 divisors (see below), whose sum is σ = 24087715340544. Its totient is φ = 3999450546000.

The previous prime is 12021103231087. The next prime is 12021103231141. The reversal of 12021103231122 is 22113230112021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54538597 + ... + 54758567.

It is an arithmetic number, because the mean of its divisors is an integer number (752741104392).

Almost surely, 2^{12021103231122} is an apocalyptic number.

12021103231122 is an abundant number, since it is smaller than the sum of its proper divisors (12066612109422).

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

12021103231122 is a wasteful number, since it uses less digits than its factorization.

12021103231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237174.

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

Adding to 12021103231122 its reverse (22113230112021), we get a palindrome (34134333343143).

The spelling of 12021103231122 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred thirty-one thousand, one hundred twenty-two".