12311022002 has 16 divisors (see below), whose sum is σ = 19421897472. Its totient is φ = 5844549360.

The previous prime is 12311021981. The next prime is 12311022011. The reversal of 12311022002 is 20022011321.

It is a happy number.

It is a super-2 number, since 2×12311022002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869968 + ... + 1876539.

It is an arithmetic number, because the mean of its divisors is an integer number (1213868592).

Almost surely, 2^12311022002 is an apocalyptic number.

12311022002 is a deficient number, since it is larger than the sum of its proper divisors (7110875470).

12311022002 is a wasteful number, since it uses less digits than its factorization.

12311022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746593.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12311022002 its reverse (20022011321), we get a palindrome (32333033323).

The spelling of 12311022002 in words is "twelve billion, three hundred eleven million, twenty-two thousand, two".