12102230112021 has 24 divisors (see below), whose sum is σ = 19978701672384. Its totient is φ = 6915415703040.

The previous prime is 12102230112017. The next prime is 12102230112023. The reversal of 12102230112021 is 12021103220121.

It is not a de Polignac number, because 12102230112021 - 2² = 12102230112017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12102230111985 and 12102230112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102230112023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074165 + ... + 5035701.

It is an arithmetic number, because the mean of its divisors is an integer number (832445903016).

Almost surely, 2^{12102230112021} is an apocalyptic number.

It is an amenable number.

12102230112021 is a deficient number, since it is larger than the sum of its proper divisors (7876471560363).

12102230112021 is a wasteful number, since it uses less digits than its factorization.

12102230112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010041 (or 4010038 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12102230112021 its reverse (12021103220121), we get a palindrome (24123333332142).

The spelling of 12102230112021 in words is "twelve trillion, one hundred two billion, two hundred thirty million, one hundred twelve thousand, twenty-one".