12120202202101 has 48 divisors (see below), whose sum is σ = 15007517501040. Its totient is φ = 9743812915200.

The previous prime is 12120202202089. The next prime is 12120202202111. The reversal of 12120202202101 is 10120220202121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19196379601 + 12101005822500 = 138551^2 + 3478650^2 .

It is not a de Polignac number, because 12120202202101 - 2¹³ = 12120202193909 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 (12120202202111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6809925 + ... + 8403301.

It is an arithmetic number, because the mean of its divisors is an integer number (312656614605).

Almost surely, 2^{12120202202101} is an apocalyptic number.

It is an amenable number.

12120202202101 is a deficient number, since it is larger than the sum of its proper divisors (2887315298939).

12120202202101 is a wasteful number, since it uses less digits than its factorization.

12120202202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593574 (or 1593567 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12120202202101 its reverse (10120220202121), we get a palindrome (22240422404222).

The spelling of 12120202202101 in words is "twelve trillion, one hundred twenty billion, two hundred two million, two hundred two thousand, one hundred one".