222020210011212 has 36 divisors (see below), whose sum is σ = 582003595793256. Its totient is φ = 74006736670080.

The previous prime is 222020210011211. The next prime is 222020210011213. The reversal of 222020210011212 is 212110012020222.

It is a happy number.

222020210011212 is a `hidden beast` number, since 2 + 220 + 20 + 210 + 0 + 1 + 1 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (222020210011211) and next prime (222020210011213).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222020210011211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114207925989 + ... + 114207927932.

Almost surely, 2^{222020210011212} is an apocalyptic number.

It is an amenable number.

222020210011212 is an abundant number, since it is smaller than the sum of its proper divisors (359983385782044).

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

222020210011212 is a wasteful number, since it uses less digits than its factorization.

222020210011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228415853940 (or 228415853926 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222020210011212 its reverse (212110012020222), we get a palindrome (434130222031434).

The spelling of 222020210011212 in words is "two hundred twenty-two trillion, twenty billion, two hundred ten million, eleven thousand, two hundred twelve".