1200021120202 has 8 divisors (see below), whose sum is σ = 1800318831300. Its totient is φ = 599914843104.

The previous prime is 1200021120047. The next prime is 1200021120229. The reversal of 1200021120202 is 2020211200021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1129737277881 + 70283842321 = 1062891^2 + 265111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47842827 + ... + 47867902.

Almost surely, 2^{1200021120202} is an apocalyptic number.

1200021120202 is a deficient number, since it is larger than the sum of its proper divisors (600297711098).

1200021120202 is an equidigital number, since it uses as much as digits as its factorization.

1200021120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95717000.

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

Adding to 1200021120202 its reverse (2020211200021), we get a palindrome (3220232320223).

The spelling of 1200021120202 in words is "one trillion, two hundred billion, twenty-one million, one hundred twenty thousand, two hundred two".