12101210112210 has 32 divisors (see below), whose sum is σ = 29060059089600. Its totient is φ = 3225083272128.

The previous prime is 12101210112209. The next prime is 12101210112221. The reversal of 12101210112210 is 1221101210121.

It is a happy number.

It is a super-3 number, since 3×12101210112210³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12101210112210.

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, 119079060 + ... + 119180639.

It is an arithmetic number, because the mean of its divisors is an integer number (908126846550).

Almost surely, 2^{12101210112210} is an apocalyptic number.

12101210112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101210112210 is an abundant number, since it is smaller than the sum of its proper divisors (16958848977390).

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

12101210112210 is a wasteful number, since it uses less digits than its factorization.

12101210112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238261402.

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

Adding to 12101210112210 its reverse (1221101210121), we get a palindrome (13322311322331).

The spelling of 12101210112210 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred twelve thousand, two hundred ten".