12012202101 has 8 divisors (see below), whose sum is σ = 16163208160. Its totient is φ = 7934665392.

The previous prime is 12012202093. The next prime is 12012202117. The reversal of 12012202101 is 10120221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12012202101 - 2³ = 12012202093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012202151) 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, 18366955 + ... + 18367608.

It is an arithmetic number, because the mean of its divisors is an integer number (2020401020).

Almost surely, 2^12012202101 is an apocalyptic number.

It is an amenable number.

12012202101 is a deficient number, since it is larger than the sum of its proper divisors (4151006059).

12012202101 is a wasteful number, since it uses less digits than its factorization.

12012202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36734675.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012202101 its reverse (10120221021), we get a palindrome (22132423122).

The spelling of 12012202101 in words is "twelve billion, twelve million, two hundred two thousand, one hundred one".