12001122022 has 16 divisors (see below), whose sum is σ = 18786952800. Its totient is φ = 5738876352.

The previous prime is 12001122017. The next prime is 12001122043. The reversal of 12001122022 is 22022110021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12001121993 and 12001122011.

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, 451354 + ... + 477202.

It is an arithmetic number, because the mean of its divisors is an integer number (1174184550).

Almost surely, 2^12001122022 is an apocalyptic number.

12001122022 is a deficient number, since it is larger than the sum of its proper divisors (6785830778).

12001122022 is a wasteful number, since it uses less digits than its factorization.

12001122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35967.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12001122022 its reverse (22022110021), we get a palindrome (34023232043).

The spelling of 12001122022 in words is "twelve billion, one million, one hundred twenty-two thousand, twenty-two".