200120212002222 has 80 divisors (see below), whose sum is σ = 459364934674800. Its totient is φ = 65078268877440.

The previous prime is 200120212002187. The next prime is 200120212002223. The reversal of 200120212002222 is 222200212021002.

200120212002222 is a `hidden beast` number, since 200 + 1 + 20 + 21 + 200 + 2 + 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 = 200120212002195 and 200120212002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120212002223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 314639304 + ... + 315274692.

It is an arithmetic number, because the mean of its divisors is an integer number (5742061683435).

Almost surely, 2^{200120212002222} is an apocalyptic number.

200120212002222 is an abundant number, since it is smaller than the sum of its proper divisors (259244722672578).

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

200120212002222 is a wasteful number, since it uses less digits than its factorization.

200120212002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682863 (or 682854 counting only the distinct ones).

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

Adding to 200120212002222 its reverse (222200212021002), we get a palindrome (422320424023224).

The spelling of 200120212002222 in words is "two hundred trillion, one hundred twenty billion, two hundred twelve million, two thousand, two hundred twenty-two".