13112123322212 has 12 divisors (see below), whose sum is σ = 22962831475836. Its totient is φ = 6551314329120.

The previous prime is 13112123322157. The next prime is 13112123322223. The reversal of 13112123322212 is 21222332121131.

It can be written as a sum of positive squares in 2 ways, for example, as 1830760539136 + 11281362783076 = 1353056^2 + 3358774^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186826783 + ... + 1186837830.

It is an arithmetic number, because the mean of its divisors is an integer number (1913569289653).

Almost surely, 2^{13112123322212} is an apocalyptic number.

It is an amenable number.

13112123322212 is a deficient number, since it is larger than the sum of its proper divisors (9850708153624).

13112123322212 is a wasteful number, since it uses less digits than its factorization.

13112123322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373665998 (or 2373665996 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

Adding to 13112123322212 its reverse (21222332121131), we get a palindrome (34334455443343).

The spelling of 13112123322212 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-three million, three hundred twenty-two thousand, two hundred twelve".