12012231221102 has 32 divisors (see below), whose sum is σ = 20725465086912. Its totient is φ = 5114837954304.

The previous prime is 12012231221069. The next prime is 12012231221147. The reversal of 12012231221102 is 20112213221021.

It is a congruent number.

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, 24180488 + ... + 24672260.

It is an arithmetic number, because the mean of its divisors is an integer number (647670783966).

Almost surely, 2^{12012231221102} is an apocalyptic number.

12012231221102 is a deficient number, since it is larger than the sum of its proper divisors (8713233865810).

12012231221102 is a wasteful number, since it uses less digits than its factorization.

12012231221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503052.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12012231221102 its reverse (20112213221021), we get a palindrome (32124444442123).

The spelling of 12012231221102 in words is "twelve trillion, twelve billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred two".