12021013022 has 4 divisors (see below), whose sum is σ = 18031519536. Its totient is φ = 6010506510.

The previous prime is 12021013019. The next prime is 12021013033. The reversal of 12021013022 is 22031012021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12021012988 and 12021013006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005253254 + ... + 3005253257.

It is an arithmetic number, because the mean of its divisors is an integer number (4507879884).

Almost surely, 2^12021013022 is an apocalyptic number.

12021013022 is a deficient number, since it is larger than the sum of its proper divisors (6010506514).

12021013022 is an equidigital number, since it uses as much as digits as its factorization.

12021013022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010506513.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12021013022 its reverse (22031012021), we get a palindrome (34052025043).

The spelling of 12021013022 in words is "twelve billion, twenty-one million, thirteen thousand, twenty-two".