202000012221222 has 24 divisors (see below), whose sum is σ = 437673270177000. Its totient is φ = 67332325556160.

The previous prime is 202000012221169. The next prime is 202000012221263. The reversal of 202000012221222 is 222122210000202.

202000012221222 is a `hidden beast` number, since 20 + 200 + 0 + 0 + 1 + 2 + 221 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 202000012221195 and 202000012221204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83089347 + ... + 85485902.

It is an arithmetic number, because the mean of its divisors is an integer number (18236386257375).

Almost surely, 2^{202000012221222} is an apocalyptic number.

202000012221222 is an abundant number, since it is smaller than the sum of its proper divisors (235673257955778).

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

202000012221222 is a wasteful number, since it uses less digits than its factorization.

202000012221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168641828 (or 168641825 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202000012221222 its reverse (222122210000202), we get a palindrome (424122222221424).

The spelling of 202000012221222 in words is "two hundred two trillion, twelve million, two hundred twenty-one thousand, two hundred twenty-two".