222220022001212 has 12 divisors (see below), whose sum is σ = 395476310341560. Its totient is φ = 109226790475056.

The previous prime is 222220022001169. The next prime is 222220022001239. The reversal of 222220022001212 is 212100220022222.

222220022001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470805131123 + ... + 470805131594.

It is an arithmetic number, because the mean of its divisors is an integer number (32956359195130).

Almost surely, 2^{222220022001212} is an apocalyptic number.

It is an amenable number.

222220022001212 is a deficient number, since it is larger than the sum of its proper divisors (173256288340348).

222220022001212 is a wasteful number, since it uses less digits than its factorization.

222220022001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941610262780 (or 941610262778 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222220022001212 its reverse (212100220022222), we get a palindrome (434320242023434).

The spelling of 222220022001212 in words is "two hundred twenty-two trillion, two hundred twenty billion, twenty-two million, one thousand, two hundred twelve".