131211132112 has 20 divisors (see below), whose sum is σ = 254743599136. Its totient is φ = 65470848480.

The previous prime is 131211132103. The next prime is 131211132127. The reversal of 131211132112 is 211231112131.

131211132112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131211132112² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131211132112.

It is a congruent number.

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, 8411814 + ... + 8427397.

Almost surely, 2^131211132112 is an apocalyptic number.

It is an amenable number.

131211132112 is a deficient number, since it is larger than the sum of its proper divisors (123532467024).

131211132112 is a wasteful number, since it uses less digits than its factorization.

131211132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16839706 (or 16839700 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 131211132112 its reverse (211231112131), we get a palindrome (342442244243).

The spelling of 131211132112 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred thirty-two thousand, one hundred twelve".