222000012120 has 64 divisors (see below), whose sum is σ = 694956568320. Its totient is φ = 56626089344.

The previous prime is 222000012119. The next prime is 222000012127. The reversal of 222000012120 is 21210000222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 222000012096 and 222000012105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000012127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40214634 + ... + 40220153.

It is an arithmetic number, because the mean of its divisors is an integer number (10858696380).

Almost surely, 2^222000012120 is an apocalyptic number.

222000012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000012120 is an abundant number, since it is smaller than the sum of its proper divisors (472956556200).

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

222000012120 is a wasteful number, since it uses less digits than its factorization.

222000012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80434824 (or 80434820 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222000012120 its reverse (21210000222), we get a palindrome (243210012342).

The spelling of 222000012120 in words is "two hundred twenty-two billion, twelve thousand, one hundred twenty".