12001011021022 has 64 divisors (see below), whose sum is σ = 19517481930240. Its totient is φ = 5513534447616.

The previous prime is 12001011020899. The next prime is 12001011021061. The reversal of 12001011021022 is 22012011010021.

It is a junction number, because it is equal to n+sod(n) for n = 12001011020993 and 12001011021011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227235343 + ... + 227288149.

It is an arithmetic number, because the mean of its divisors is an integer number (304960655160).

Almost surely, 2^{12001011021022} is an apocalyptic number.

12001011021022 is a deficient number, since it is larger than the sum of its proper divisors (7516470909218).

12001011021022 is a wasteful number, since it uses less digits than its factorization.

12001011021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53665.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001011021022 its reverse (22012011010021), we get a palindrome (34013022031043).

The spelling of 12001011021022 in words is "twelve trillion, one billion, eleven million, twenty-one thousand, twenty-two".