12020112111102 has 32 divisors (see below), whose sum is σ = 24494429393280. Its totient is φ = 3931006978080.

The previous prime is 12020112111097. The next prime is 12020112111113. The reversal of 12020112111102 is 20111121102021.

It is a happy number.

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, 12767577 + ... + 13676667.

It is an arithmetic number, because the mean of its divisors is an integer number (765450918540).

Almost surely, 2^{12020112111102} is an apocalyptic number.

12020112111102 is an abundant number, since it is smaller than the sum of its proper divisors (12474317282178).

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

12020112111102 is a wasteful number, since it uses less digits than its factorization.

12020112111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950728.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12020112111102 its reverse (20111121102021), we get a palindrome (32131233213123).

The spelling of 12020112111102 in words is "twelve trillion, twenty billion, one hundred twelve million, one hundred eleven thousand, one hundred two".