12311220021002 has 16 divisors (see below), whose sum is σ = 21105799489152. Its totient is φ = 5276024431440.

The previous prime is 12311220020993. The next prime is 12311220021049. The reversal of 12311220021002 is 20012002211321.

It is a super-3 number, since 3×12311220021002³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17366798 + ... + 18061785.

It is an arithmetic number, because the mean of its divisors is an integer number (1319112468072).

Almost surely, 2^{12311220021002} is an apocalyptic number.

12311220021002 is a deficient number, since it is larger than the sum of its proper divisors (8794579468150).

12311220021002 is a wasteful number, since it uses less digits than its factorization.

12311220021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35453413.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12311220021002 its reverse (20012002211321), we get a palindrome (32323222232323).

The spelling of 12311220021002 in words is "twelve trillion, three hundred eleven billion, two hundred twenty million, twenty-one thousand, two".