12112102212210 has 512 divisors, whose sum is σ = 43414893527040. Its totient is φ = 2320603084800.

The previous prime is 12112102212209. The next prime is 12112102212211. The reversal of 12112102212210 is 1221220121121.

12112102212210 is a `hidden beast` number, since 1 + 2 + 11 + 210 + 221 + 221 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12112102212209) and next prime (12112102212211).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12112102212211) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 246191374 + ... + 246240566.

It is an arithmetic number, because the mean of its divisors is an integer number (84794713920).

Almost surely, 2^{12112102212210} is an apocalyptic number.

12112102212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112102212210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21707446763520).

12112102212210 is an abundant number, since it is smaller than the sum of its proper divisors (31302791314830).

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

12112102212210 is a wasteful number, since it uses less digits than its factorization.

12112102212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50151 (or 50145 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12112102212210 its reverse (1221220121121), we get a palindrome (13333322333331).

The spelling of 12112102212210 in words is "twelve trillion, one hundred twelve billion, one hundred two million, two hundred twelve thousand, two hundred ten".