12122101112210 has 16 divisors (see below), whose sum is σ = 21819892233816. Its totient is φ = 4848815948928.

The previous prime is 12122101112201. The next prime is 12122101112221. The reversal of 12122101112210 is 1221110122121.

12122101112210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11874247485409 + 247853626801 = 3445903^2 + 497849^2 .

It is a super-2 number, since 2×12122101112210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911669 + ... + 5007528.

Almost surely, 2^{12122101112210} is an apocalyptic number.

12122101112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122101112210 is a deficient number, since it is larger than the sum of its proper divisors (9697791121606).

12122101112210 is a wasteful number, since it uses less digits than its factorization.

12122101112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123997.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122101112210 its reverse (1221110122121), we get a palindrome (13343211234331).

The spelling of 12122101112210 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred twelve thousand, two hundred ten".