12212321101120 has 84 divisors (see below), whose sum is σ = 33828441032340. Its totient is φ = 4187081515008.

The previous prime is 12212321101091. The next prime is 12212321101129. The reversal of 12212321101120 is 2110112321221.

It can be written as a sum of positive squares in 2 ways, for example, as 5682006620416 + 6530314480704 = 2383696^2 + 2555448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212321101129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389407825 + ... + 389439184.

Almost surely, 2^{12212321101120} is an apocalyptic number.

12212321101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212321101120 is an abundant number, since it is smaller than the sum of its proper divisors (21616119931220).

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

12212321101120 is an equidigital number, since it uses as much as digits as its factorization.

12212321101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778847040 (or 778847023 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12212321101120 its reverse (2110112321221), we get a palindrome (14322433422341).

It can be divided in two parts, 12212321101 and 120, that added together give a palindrome (12212321221).

The spelling of 12212321101120 in words is "twelve trillion, two hundred twelve billion, three hundred twenty-one million, one hundred one thousand, one hundred twenty".