210022121212002 has 64 divisors (see below), whose sum is σ = 509169804232320. Its totient is φ = 63639908539200.

The previous prime is 210022121211983. The next prime is 210022121212081. The reversal of 210022121212002 is 200212121220012.

It is a happy number.

210022121212002 is a `hidden beast` number, since 210 + 0 + 221 + 21 + 212 + 0 + 0 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3219252 + ... + 20746272.

It is an arithmetic number, because the mean of its divisors is an integer number (7955778191130).

Almost surely, 2^{210022121212002} is an apocalyptic number.

210022121212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210022121212002 is an abundant number, since it is smaller than the sum of its proper divisors (299147683020318).

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

210022121212002 is a wasteful number, since it uses less digits than its factorization.

210022121212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17547216 (or 17547210 counting only the distinct ones).

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

Adding to 210022121212002 its reverse (200212121220012), we get a palindrome (410234242432014).

The spelling of 210022121212002 in words is "two hundred ten trillion, twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, two".