12020022010121 has 8 divisors (see below), whose sum is σ = 12344941779264. Its totient is φ = 11695105099440.

The previous prime is 12020022010093. The next prime is 12020022010133. The reversal of 12020022010121 is 12101022002021.

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-12020022010121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020022010096 and 12020022010105.

It is not an unprimeable number, because it can be changed into a prime (12020022010721) 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, 9919316 + ... + 11064938.

It is an arithmetic number, because the mean of its divisors is an integer number (1543117722408).

Almost surely, 2^{12020022010121} is an apocalyptic number.

It is an amenable number.

12020022010121 is a deficient number, since it is larger than the sum of its proper divisors (324919769143).

12020022010121 is a wasteful number, since it uses less digits than its factorization.

12020022010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429231.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020022010121 its reverse (12101022002021), we get a palindrome (24121044012142).

It can be divided in two parts, 1202002 and 2010121, that added together give a palindrome (3212123).

The spelling of 12020022010121 in words is "twelve trillion, twenty billion, twenty-two million, ten thousand, one hundred twenty-one".