12000021022 has 8 divisors (see below), whose sum is σ = 19636398072. Its totient is φ = 5454555000.

The previous prime is 12000020953. The next prime is 12000021031. The reversal of 12000021022 is 22012000021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272727729 + ... + 272727772.

It is an arithmetic number, because the mean of its divisors is an integer number (2454549759).

Almost surely, 2^12000021022 is an apocalyptic number.

12000021022 is a deficient number, since it is larger than the sum of its proper divisors (7636377050).

12000021022 is a wasteful number, since it uses less digits than its factorization.

12000021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545455514.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000021022 its reverse (22012000021), we get a palindrome (34012021043).

The spelling of 12000021022 in words is "twelve billion, twenty-one thousand, twenty-two".