12200121012021 has 8 divisors (see below), whose sum is σ = 16267311606144. Its totient is φ = 8133172212960.

The previous prime is 12200121012007. The next prime is 12200121012067. The reversal of 12200121012021 is 12021012100221.

12200121012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12200121012021 - 2¹⁸ = 12200120749877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200121012091) 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, 60331000 + ... + 60532881.

It is an arithmetic number, because the mean of its divisors is an integer number (2033413950768).

Almost surely, 2^{12200121012021} is an apocalyptic number.

It is an amenable number.

12200121012021 is a deficient number, since it is larger than the sum of its proper divisors (4067190594123).

12200121012021 is a wasteful number, since it uses less digits than its factorization.

12200121012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120897531.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12200121012021 its reverse (12021012100221), we get a palindrome (24221133112242).

The spelling of 12200121012021 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, twelve thousand, twenty-one".