120121202002 has 16 divisors (see below), whose sum is σ = 180416808000. Its totient is φ = 59982309040.

The previous prime is 120121201943. The next prime is 120121202023. The reversal of 120121202002 is 200202121021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991899 + ... + 7009057.

It is an arithmetic number, because the mean of its divisors is an integer number (11276050500).

Almost surely, 2^120121202002 is an apocalyptic number.

120121202002 is a deficient number, since it is larger than the sum of its proper divisors (60295605998).

120121202002 is a wasteful number, since it uses less digits than its factorization.

120121202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21521.

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

Adding to 120121202002 its reverse (200202121021), we get a palindrome (320323323023).

The spelling of 120121202002 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred two thousand, two".