1212120202202 has 16 divisors (see below), whose sum is σ = 2237760373632. Its totient is φ = 479520079920.

The previous prime is 1212120202187. The next prime is 1212120202219. The reversal of 1212120202202 is 2022020212121.

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, 3330000374 + ... + 3330000737.

It is an arithmetic number, because the mean of its divisors is an integer number (139860023352).

Almost surely, 2^{1212120202202} is an apocalyptic number.

1212120202202 is a deficient number, since it is larger than the sum of its proper divisors (1025640171430).

1212120202202 is a wasteful number, since it uses less digits than its factorization.

1212120202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660001133.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212120202202 its reverse (2022020212121), we get a palindrome (3234140414323).

The spelling of 1212120202202 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred two thousand, two hundred two".