12001122012022 has 32 divisors (see below), whose sum is σ = 21878100427680. Its totient is φ = 4861800088320.

The previous prime is 12001122011959. The next prime is 12001122012029. The reversal of 12001122012022 is 22021022110021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12001122011987 and 12001122012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001122012029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723473863 + ... + 723490450.

It is an arithmetic number, because the mean of its divisors is an integer number (683690638365).

Almost surely, 2^{12001122012022} is an apocalyptic number.

12001122012022 is a deficient number, since it is larger than the sum of its proper divisors (9876978415658).

12001122012022 is a wasteful number, since it uses less digits than its factorization.

12001122012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446964368.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12001122012022 its reverse (22021022110021), we get a palindrome (34022144122043).

The spelling of 12001122012022 in words is "twelve trillion, one billion, one hundred twenty-two million, twelve thousand, twenty-two".