12001001403222 has 24 divisors (see below), whose sum is σ = 28002336608064. Its totient is φ = 3692615816304.

The previous prime is 12001001403199. The next prime is 12001001403229. The reversal of 12001001403222 is 22230410010021.

It is a happy number.

12001001403222 is a `hidden beast` number, since 1 + 200 + 1 + 0 + 0 + 140 + 322 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12001001403195 and 12001001403204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001001403229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25643165158 + ... + 25643165625.

It is an arithmetic number, because the mean of its divisors is an integer number (1166764025336).

Almost surely, 2^{12001001403222} is an apocalyptic number.

12001001403222 is an abundant number, since it is smaller than the sum of its proper divisors (16001335204842).

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

12001001403222 is a wasteful number, since it uses less digits than its factorization.

12001001403222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51286330804 (or 51286330801 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12001001403222 its reverse (22230410010021), we get a palindrome (34231411413243).

The spelling of 12001001403222 in words is "twelve trillion, one billion, one million, four hundred three thousand, two hundred twenty-two".