12001011121022 has 32 divisors (see below), whose sum is σ = 22713852397824. Its totient is φ = 4619384654400.

The previous prime is 12001011121019. The next prime is 12001011121063. The reversal of 12001011121022 is 22012111010021.

12001011121022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12001011121022² (a number of 27 digits) contains 22 as substring.

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 = 12001011120988 and 12001011121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469436879 + ... + 469462442.

It is an arithmetic number, because the mean of its divisors is an integer number (709807887432).

Almost surely, 2^{12001011121022} is an apocalyptic number.

12001011121022 is a deficient number, since it is larger than the sum of its proper divisors (10712841276802).

12001011121022 is a wasteful number, since it uses less digits than its factorization.

12001011121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938899424.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12001011121022 its reverse (22012111010021), we get a palindrome (34013122131043).

The spelling of 12001011121022 in words is "twelve trillion, one billion, eleven million, one hundred twenty-one thousand, twenty-two".