12100112112210 has 32 divisors (see below), whose sum is σ = 29050764486912. Its totient is φ = 3225530405760.

The previous prime is 12100112112197. The next prime is 12100112112229. The reversal of 12100112112210 is 1221121100121.

It is a happy number.

It is a super-2 number, since 2×12100112112210² (a number of 27 digits) contains 22 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 12100112112210.

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, 72800451 + ... + 72966470.

It is an arithmetic number, because the mean of its divisors is an integer number (907836390216).

Almost surely, 2^{12100112112210} is an apocalyptic number.

12100112112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100112112210 is an abundant number, since it is smaller than the sum of its proper divisors (16950652374702).

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

12100112112210 is a wasteful number, since it uses less digits than its factorization.

12100112112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145769698.

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

Adding to 12100112112210 its reverse (1221121100121), we get a palindrome (13321233212331).

The spelling of 12100112112210 in words is "twelve trillion, one hundred billion, one hundred twelve million, one hundred twelve thousand, two hundred ten".