122221021210002 has 48 divisors (see below), whose sum is σ = 311108053995648. Its totient is φ = 34187698239840.

The previous prime is 122221021209961. The next prime is 122221021210063. The reversal of 122221021210002 is 200012120122221.

It is a happy number.

122221021210002 is a `hidden beast` number, since 1 + 222 + 210 + 21 + 210 + 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 23 ways as a sum of consecutive naturals, for example, 23741454538 + ... + 23741459685.

It is an arithmetic number, because the mean of its divisors is an integer number (6481417791576).

Almost surely, 2^{122221021210002} is an apocalyptic number.

122221021210002 is an abundant number, since it is smaller than the sum of its proper divisors (188887032785646).

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

122221021210002 is a wasteful number, since it uses less digits than its factorization.

122221021210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47482914255 (or 47482914252 counting only the distinct ones).

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

Adding to 122221021210002 its reverse (200012120122221), we get a palindrome (322233141332223).

The spelling of 122221021210002 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, twenty-one million, two hundred ten thousand, two".