12101220020202 has 32 divisors (see below), whose sum is σ = 24863857327872. Its totient is φ = 3923567803584.

The previous prime is 12101220020191. The next prime is 12101220020233. The reversal of 12101220020202 is 20202002210121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7243353 + ... + 8756060.

It is an arithmetic number, because the mean of its divisors is an integer number (776995541496).

Almost surely, 2^{12101220020202} is an apocalyptic number.

12101220020202 is an abundant number, since it is smaller than the sum of its proper divisors (12762637307670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101220020202 is a wasteful number, since it uses less digits than its factorization.

12101220020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16002862.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12101220020202 its reverse (20202002210121), we get a palindrome (32303222230323).

The spelling of 12101220020202 in words is "twelve trillion, one hundred one billion, two hundred twenty million, twenty thousand, two hundred two".