12011001220022 has 48 divisors (see below), whose sum is σ = 20985097463568. Its totient is φ = 5140912008960.

The previous prime is 12011001219983. The next prime is 12011001220051. The reversal of 12011001220022 is 22002210011021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12011001219979 and 12011001220006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494654522 + ... + 494678802.

It is an arithmetic number, because the mean of its divisors is an integer number (437189530491).

Almost surely, 2^{12011001220022} is an apocalyptic number.

12011001220022 is a deficient number, since it is larger than the sum of its proper divisors (8974096243546).

12011001220022 is a wasteful number, since it uses less digits than its factorization.

12011001220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30621 (or 30614 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12011001220022 its reverse (22002210011021), we get a palindrome (34013211231043).

The spelling of 12011001220022 in words is "twelve trillion, eleven billion, one million, two hundred twenty thousand, twenty-two".