12042212224220 has 48 divisors (see below), whose sum is σ = 26636813364000. Its totient is φ = 4560418402560.

The previous prime is 12042212224219. The next prime is 12042212224307. The reversal of 12042212224220 is 2242221224021.

It is a self number, because there is not a number n which added to its sum of digits gives 12042212224220.

It is a congruent number.

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, 9640571 + ... + 10817810.

It is an arithmetic number, because the mean of its divisors is an integer number (554933611750).

Almost surely, 2^{12042212224220} is an apocalyptic number.

12042212224220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12042212224220 is an abundant number, since it is smaller than the sum of its proper divisors (14594601139780).

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

12042212224220 is a wasteful number, since it uses less digits than its factorization.

12042212224220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20459958 (or 20459956 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 12042212224220 its reverse (2242221224021), we get a palindrome (14284433448241).

The spelling of 12042212224220 in words is "twelve trillion, forty-two billion, two hundred twelve million, two hundred twenty-four thousand, two hundred twenty".