1210002120202 has 16 divisors (see below), whose sum is σ = 1922599772352. Its totient is φ = 569166333120.

The previous prime is 1210002120181. The next prime is 1210002120209. The reversal of 1210002120202 is 2020212000121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1210002120209) 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, 7621188 + ... + 7778335.

It is an arithmetic number, because the mean of its divisors is an integer number (120162485772).

Almost surely, 2^{1210002120202} is an apocalyptic number.

1210002120202 is a deficient number, since it is larger than the sum of its proper divisors (712597652150).

1210002120202 is a wasteful number, since it uses less digits than its factorization.

1210002120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401853.

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

Adding to 1210002120202 its reverse (2020212000121), we get a palindrome (3230214120323).

The spelling of 1210002120202 in words is "one trillion, two hundred ten billion, two million, one hundred twenty thousand, two hundred two".