120021210002 has 16 divisors (see below), whose sum is σ = 183879994752. Its totient is φ = 58728124560.

The previous prime is 120021209999. The next prime is 120021210007. The reversal of 120021210002 is 200012120021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120021210007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019852 + ... + 1131432.

It is an arithmetic number, because the mean of its divisors is an integer number (11492499672).

Almost surely, 2^120021210002 is an apocalyptic number.

120021210002 is a deficient number, since it is larger than the sum of its proper divisors (63858784750).

120021210002 is a wasteful number, since it uses less digits than its factorization.

120021210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123073.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120021210002 its reverse (200012120021), we get a palindrome (320033330023).

The spelling of 120021210002 in words is "one hundred twenty billion, twenty-one million, two hundred ten thousand, two".