12021314422 has 12 divisors (see below), whose sum is σ = 19525744980. Its totient is φ = 5548298808.

The previous prime is 12021314381. The next prime is 12021314441. The reversal of 12021314422 is 22441312021.

It is a junction number, because it is equal to n+sod(n) for n = 12021314393 and 12021314402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17782672 + ... + 17783347.

It is an arithmetic number, because the mean of its divisors is an integer number (1627145415).

Almost surely, 2^12021314422 is an apocalyptic number.

12021314422 is a deficient number, since it is larger than the sum of its proper divisors (7504430558).

12021314422 is a wasteful number, since it uses less digits than its factorization.

12021314422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35566047 (or 35566034 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12021314422 its reverse (22441312021), we get a palindrome (34462626443).

The spelling of 12021314422 in words is "twelve billion, twenty-one million, three hundred fourteen thousand, four hundred twenty-two".