12020202101 has 16 divisors (see below), whose sum is σ = 12594899520. Its totient is φ = 11461226880.

The previous prime is 12020202097. The next prime is 12020202127. The reversal of 12020202101 is 10120202021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12020202101 - 2² = 12020202097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020202191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404126 + ... + 432848.

It is an arithmetic number, because the mean of its divisors is an integer number (787181220).

Almost surely, 2^12020202101 is an apocalyptic number.

It is an amenable number.

12020202101 is a deficient number, since it is larger than the sum of its proper divisors (574697419).

12020202101 is a wasteful number, since it uses less digits than its factorization.

12020202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28996.

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

Adding to 12020202101 its reverse (10120202021), we get a palindrome (22140404122).

The spelling of 12020202101 in words is "twelve billion, twenty million, two hundred two thousand, one hundred one".