12022010021 has 8 divisors (see below), whose sum is σ = 13758554880. Its totient is φ = 10290243888.

The previous prime is 12022009933. The next prime is 12022010023. The reversal of 12022010021 is 12001022021.

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 not a de Polignac number, because 12022010021 - 2¹⁰ = 12022008997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022009984 and 12022010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022010023) 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, 1189286 + ... + 1199351.

It is an arithmetic number, because the mean of its divisors is an integer number (1719819360).

Almost surely, 2^12022010021 is an apocalyptic number.

It is an amenable number.

12022010021 is a deficient number, since it is larger than the sum of its proper divisors (1736544859).

12022010021 is an equidigital number, since it uses as much as digits as its factorization.

12022010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389363.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12022010021 its reverse (12001022021), we get a palindrome (24023032042).

The spelling of 12022010021 in words is "twelve billion, twenty-two million, ten thousand, twenty-one".