222012021212120 has 32 divisors (see below), whose sum is σ = 521245615021920. Its totient is φ = 84943729854720.

The previous prime is 222012021212089. The next prime is 222012021212153. The reversal of 222012021212120 is 21212120210222.

222012021212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222012021212092 and 222012021212101.

It is a congruent number.

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, 120658706261 + ... + 120658708100.

It is an arithmetic number, because the mean of its divisors is an integer number (16288925469435).

Almost surely, 2^{222012021212120} is an apocalyptic number.

222012021212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012021212120 is an abundant number, since it is smaller than the sum of its proper divisors (299233593809800).

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

222012021212120 is a wasteful number, since it uses less digits than its factorization.

222012021212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241317414395 (or 241317414391 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222012021212120 its reverse (21212120210222), we get a palindrome (243224141422342).

The spelling of 222012021212120 in words is "two hundred twenty-two trillion, twelve billion, twenty-one million, two hundred twelve thousand, one hundred twenty".