12210122101220 has 48 divisors (see below), whose sum is σ = 25739769686400. Its totient is φ = 4865319137280.

The previous prime is 12210122101189. The next prime is 12210122101237. The reversal of 12210122101220 is 2210122101221.

It is a super-2 number, since 2×12210122101220² (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 15 ways as a sum of consecutive naturals, for example, 4543211 + ... + 6712749.

It is an arithmetic number, because the mean of its divisors is an integer number (536245201800).

Almost surely, 2^{12210122101220} is an apocalyptic number.

12210122101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210122101220 is an abundant number, since it is smaller than the sum of its proper divisors (13529647585180).

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

12210122101220 is a wasteful number, since it uses less digits than its factorization.

12210122101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170628 (or 2170626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210122101220 its reverse (2210122101221), we get a palindrome (14420244202441).

Subtracting from 12210122101220 its reverse (2210122101221), we obtain a palindrome (9999999999999).

The spelling of 12210122101220 in words is "twelve trillion, two hundred ten billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty".