12220021201021 has 8 divisors (see below), whose sum is σ = 12739108658688. Its totient is φ = 11708739570000.

The previous prime is 12220021200979. The next prime is 12220021201033. The reversal of 12220021201021 is 12010212002221.

It is a happy number.

12220021201021 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 a cyclic number.

It is not a de Polignac number, because 12220021201021 - 2⁴³ = 3423928178813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220021200986 and 12220021201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220021201081) 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, 1951453465 + ... + 1951459726.

It is an arithmetic number, because the mean of its divisors is an integer number (1592388582336).

Almost surely, 2^{12220021201021} is an apocalyptic number.

It is an amenable number.

12220021201021 is a deficient number, since it is larger than the sum of its proper divisors (519087457667).

12220021201021 is a wasteful number, since it uses less digits than its factorization.

12220021201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902913323.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220021201021 its reverse (12010212002221), we get a palindrome (24230233203242).

The spelling of 12220021201021 in words is "twelve trillion, two hundred twenty billion, twenty-one million, two hundred one thousand, twenty-one".