12202002121 has 8 divisors (see below), whose sum is σ = 12318907680. Its totient is φ = 12085149888.

The previous prime is 12202002119. The next prime is 12202002143. The reversal of 12202002121 is 12120020221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12202002121 - 2¹ = 12202002119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202002151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565825 + ... + 586993.

It is an arithmetic number, because the mean of its divisors is an integer number (1539863460).

Almost surely, 2^12202002121 is an apocalyptic number.

It is an amenable number.

12202002121 is a deficient number, since it is larger than the sum of its proper divisors (116905559).

12202002121 is a wasteful number, since it uses less digits than its factorization.

12202002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26663.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12202002121 its reverse (12120020221), we get a palindrome (24322022342).

The spelling of 12202002121 in words is "twelve billion, two hundred two million, two thousand, one hundred twenty-one".