11011212004012 has 24 divisors (see below), whose sum is σ = 21022254489600. Its totient is φ = 5004894042960.

The previous prime is 11011212003973. The next prime is 11011212004087. The reversal of 11011212004012 is 21040021211011.

It is a super-2 number, since 2×11011212004012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3954508 + ... + 6136819.

It is an arithmetic number, because the mean of its divisors is an integer number (875927270400).

Almost surely, 2^{11011212004012} is an apocalyptic number.

It is an amenable number.

11011212004012 is a deficient number, since it is larger than the sum of its proper divisors (10011042485588).

11011212004012 is a wasteful number, since it uses less digits than its factorization.

11011212004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116141 (or 10116139 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11011212004012 its reverse (21040021211011), we get a palindrome (32051233215023).

The spelling of 11011212004012 in words is "eleven trillion, eleven billion, two hundred twelve million, four thousand, twelve".