12022010000021 has 8 divisors (see below), whose sum is σ = 13804555831104. Its totient is φ = 10255743126720.

The previous prime is 12022009999973. The next prime is 12022010000083. The reversal of 12022010000021 is 12000001022021.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-12022010000021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022009999957 and 12022010000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022010000521) 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, 4069737860 + ... + 4069740813.

It is an arithmetic number, because the mean of its divisors is an integer number (1725569478888).

Almost surely, 2^{12022010000021} is an apocalyptic number.

It is an amenable number.

12022010000021 is a deficient number, since it is larger than the sum of its proper divisors (1782545831083).

12022010000021 is an equidigital number, since it uses as much as digits as its factorization.

12022010000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139478891.

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

Adding to 12022010000021 its reverse (12000001022021), we get a palindrome (24022011022042).

The spelling of 12022010000021 in words is "twelve trillion, twenty-two billion, ten million, twenty-one", and thus it is an aban number and an uban number.