201212211002022 has 64 divisors (see below), whose sum is σ = 504607425753600. Its totient is φ = 58870866327840.

The previous prime is 201212211002017. The next prime is 201212211002041. The reversal of 201212211002022 is 220200112212102.

It is a happy number.

201212211002022 is a `hidden beast` number, since 20 + 121 + 221 + 100 + 202 + 2 = 666.

201212211002022 is digitally balanced in base 2 and base 3, because in such bases 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 201212211001986 and 201212211002004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5840346498 + ... + 5840380949.

It is an arithmetic number, because the mean of its divisors is an integer number (7884491027400).

Almost surely, 2^{201212211002022} is an apocalyptic number.

201212211002022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201212211002022 is an abundant number, since it is smaller than the sum of its proper divisors (303395214751578).

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

201212211002022 is a wasteful number, since it uses less digits than its factorization.

201212211002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680727498 (or 11680727492 counting only the distinct ones).

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

Adding to 201212211002022 its reverse (220200112212102), we get a palindrome (421412323214124).

The spelling of 201212211002022 in words is "two hundred one trillion, two hundred twelve billion, two hundred eleven million, two thousand, twenty-two".