122002221022002 has 24 divisors (see below), whose sum is σ = 264338766753984. Its totient is φ = 40667311437144.

The previous prime is 122002221022001. The next prime is 122002221022027. The reversal of 122002221022002 is 200220122200221.

122002221022002 is a `hidden beast` number, since 1 + 220 + 0 + 2 + 221 + 0 + 220 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (122002221022001) by changing a digit.

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, 130363 + ... + 15621185.

It is an arithmetic number, because the mean of its divisors is an integer number (11014115281416).

Almost surely, 2^{122002221022002} is an apocalyptic number.

122002221022002 is an abundant number, since it is smaller than the sum of its proper divisors (142336545731982).

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

122002221022002 is a wasteful number, since it uses less digits than its factorization.

122002221022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928374 (or 15928371 counting only the distinct ones).

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

Adding to 122002221022002 its reverse (200220122200221), we get a palindrome (322222343222223).

The spelling of 122002221022002 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-one million, twenty-two thousand, two".