12303312022 has 16 divisors (see below), whose sum is σ = 19454765760. Its totient is φ = 5819339592.

The previous prime is 12303312019. The next prime is 12303312061. The reversal of 12303312022 is 22021330321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211068 + ... + 262975.

It is an arithmetic number, because the mean of its divisors is an integer number (1215922860).

Almost surely, 2^12303312022 is an apocalyptic number.

12303312022 is a deficient number, since it is larger than the sum of its proper divisors (7151453738).

12303312022 is a wasteful number, since it uses less digits than its factorization.

12303312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474747.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12303312022 its reverse (22021330321), we get a palindrome (34324642343).

The spelling of 12303312022 in words is "twelve billion, three hundred three million, three hundred twelve thousand, twenty-two".