12215442234120 has 32 divisors (see below), whose sum is σ = 36646326702720. Its totient is φ = 3257451262400.

The previous prime is 12215442234089. The next prime is 12215442234169. The reversal of 12215442234120 is 2143224451221.

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, 50897675856 + ... + 50897676095.

It is an arithmetic number, because the mean of its divisors is an integer number (1145197709460).

Almost surely, 2^{12215442234120} is an apocalyptic number.

12215442234120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12215442234120 is an abundant number, since it is smaller than the sum of its proper divisors (24430884468600).

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

12215442234120 is a wasteful number, since it uses less digits than its factorization.

12215442234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101795351965 (or 101795351961 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 12215442234120 its reverse (2143224451221), we get a palindrome (14358666685341).

The spelling of 12215442234120 in words is "twelve trillion, two hundred fifteen billion, four hundred forty-two million, two hundred thirty-four thousand, one hundred twenty".