12202001121 has 8 divisors (see below), whose sum is σ = 16269984544. Its totient is φ = 8134342560.

The previous prime is 12202001117. The next prime is 12202001177. The reversal of 12202001121 is 12110020221.

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

It is not a de Polignac number, because 12202001121 - 2² = 12202001117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12202001097 and 12202001106.

It is not an unprimeable number, because it can be changed into a prime (12202001521) 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, 27045 + ... + 158541.

It is an arithmetic number, because the mean of its divisors is an integer number (2033748068).

Almost surely, 2^12202001121 is an apocalyptic number.

It is an amenable number.

12202001121 is a deficient number, since it is larger than the sum of its proper divisors (4067983423).

12202001121 is a wasteful number, since it uses less digits than its factorization.

12202001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162431.

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

Adding to 12202001121 its reverse (12110020221), we get a palindrome (24312021342).

The spelling of 12202001121 in words is "twelve billion, two hundred two million, one thousand, one hundred twenty-one".