120002200121002 has 4 divisors (see below), whose sum is σ = 180003300181506. Its totient is φ = 60001100060500.

The previous prime is 120002200120987. The next prime is 120002200121033. The reversal of 120002200121002 is 200121002200021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77817292030921 + 42184908090081 = 8821411^2 + 6494991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000550030249 + ... + 30000550030252.

Almost surely, 2^{120002200121002} is an apocalyptic number.

120002200121002 is a deficient number, since it is larger than the sum of its proper divisors (60001100060504).

120002200121002 is an equidigital number, since it uses as much as digits as its factorization.

120002200121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60001100060503.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120002200121002 its reverse (200121002200021), we get a palindrome (320123202321023).

The spelling of 120002200121002 in words is "one hundred twenty trillion, two billion, two hundred million, one hundred twenty-one thousand, two".