120000022002 has 192 divisors, whose sum is σ = 306369423360. Its totient is φ = 33241093632.

The previous prime is 120000021959. The next prime is 120000022033. The reversal of 120000022002 is 200220000021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 202360618 + ... + 202361210.

It is an arithmetic number, because the mean of its divisors is an integer number (1595674080).

Almost surely, 2^120000022002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120000022002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153184711680).

120000022002 is an abundant number, since it is smaller than the sum of its proper divisors (186369401358).

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

120000022002 is a wasteful number, since it uses less digits than its factorization.

120000022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 120000022002 its reverse (200220000021), we get a palindrome (320220022023).

The spelling of 120000022002 in words is "one hundred twenty billion, twenty-two thousand, two".