12211023313112 has 16 divisors (see below), whose sum is σ = 24656873997840. Its totient is φ = 5635856913696.

The previous prime is 12211023313103. The next prime is 12211023313117. The reversal of 12211023313112 is 21131332011221.

It is a happy number.

It is a super-2 number, since 2×12211023313112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211023313117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 58706842748 + ... + 58706842955.

It is an arithmetic number, because the mean of its divisors is an integer number (1541054624865).

Almost surely, 2^{12211023313112} is an apocalyptic number.

It is an amenable number.

12211023313112 is an abundant number, since it is smaller than the sum of its proper divisors (12445850684728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211023313112 is a wasteful number, since it uses less digits than its factorization.

12211023313112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117413685722 (or 117413685718 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12211023313112 its reverse (21131332011221), we get a palindrome (33342355324333).

The spelling of 12211023313112 in words is "twelve trillion, two hundred eleven billion, twenty-three million, three hundred thirteen thousand, one hundred twelve".