12220020000121 has 8 divisors (see below), whose sum is σ = 12287158515200. Its totient is φ = 12152938799232.

The previous prime is 12220020000061. The next prime is 12220020000211. The reversal of 12220020000121 is 12100002002221.

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 a de Polignac number, because none of the positive numbers 2^k-12220020000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220020004121) 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, 13900920 + ... + 14753833.

It is an arithmetic number, because the mean of its divisors is an integer number (1535894814400).

Almost surely, 2^{12220020000121} is an apocalyptic number.

It is an amenable number.

12220020000121 is a deficient number, since it is larger than the sum of its proper divisors (67138515079).

12220020000121 is a wasteful number, since it uses less digits than its factorization.

12220020000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28657095.

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

Adding to 12220020000121 its reverse (12100002002221), we get a palindrome (24320022002342).

The spelling of 12220020000121 in words is "twelve trillion, two hundred twenty billion, twenty million, one hundred twenty-one", and thus it is an aban number.