11320220012 has 12 divisors (see below), whose sum is σ = 19919835936. Its totient is φ = 5628838320.

The previous prime is 11320219973. The next prime is 11320220029. The reversal of 11320220012 is 21002202311.

It is a happy number.

It is a super-2 number, since 2×11320220012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7817108 + ... + 7818555.

It is an arithmetic number, because the mean of its divisors is an integer number (1659986328).

Almost surely, 2^11320220012 is an apocalyptic number.

It is an amenable number.

11320220012 is a deficient number, since it is larger than the sum of its proper divisors (8599615924).

11320220012 is a wasteful number, since it uses less digits than its factorization.

11320220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15635848 (or 15635846 counting only the distinct ones).

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

Adding to 11320220012 its reverse (21002202311), we get a palindrome (32322422323).

The spelling of 11320220012 in words is "eleven billion, three hundred twenty million, two hundred twenty thousand, twelve".