12120001110022 has 64 divisors (see below), whose sum is σ = 20762169220800. Its totient is φ = 5256668196864.

The previous prime is 12120001110013. The next prime is 12120001110079. The reversal of 12120001110022 is 22001110002121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12120001109984 and 12120001110011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896244153 + ... + 896257675.

It is an arithmetic number, because the mean of its divisors is an integer number (324408894075).

Almost surely, 2^{12120001110022} is an apocalyptic number.

12120001110022 is a deficient number, since it is larger than the sum of its proper divisors (8642168110778).

12120001110022 is a wasteful number, since it uses less digits than its factorization.

12120001110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16537.

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

Adding to 12120001110022 its reverse (22001110002121), we get a palindrome (34121111112143).

The spelling of 12120001110022 in words is "twelve trillion, one hundred twenty billion, one million, one hundred ten thousand, twenty-two".