12001001012022 has 16 divisors (see below), whose sum is σ = 26184002208192. Its totient is φ = 3636666973320.

The previous prime is 12001001011991. The next prime is 12001001012023. The reversal of 12001001012022 is 22021010010021.

It is a junction number, because it is equal to n+sod(n) for n = 12001001011989 and 12001001012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001001012023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90916674268 + ... + 90916674399.

It is an arithmetic number, because the mean of its divisors is an integer number (1636500138012).

Almost surely, 2^{12001001012022} is an apocalyptic number.

12001001012022 is an abundant number, since it is smaller than the sum of its proper divisors (14183001196170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001001012022 is a wasteful number, since it uses less digits than its factorization.

12001001012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181833348683.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12001001012022 its reverse (22021010010021), we get a palindrome (34022011022043).

It can be divided in two parts, 1200100 and 1012022, that added together give a palindrome (2212122).

The spelling of 12001001012022 in words is "twelve trillion, one billion, one million, twelve thousand, twenty-two".