1201112132312 has 16 divisors (see below), whose sum is σ = 2252133876840. Its totient is φ = 600543098496.

The previous prime is 1201112132291. The next prime is 1201112132347. The reversal of 1201112132312 is 2132312111021.

It is a congruent number.

It is an unprimeable number.

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, 1221518 + ... + 1973405.

Almost surely, 2^{1201112132312} is an apocalyptic number.

It is an amenable number.

1201112132312 is a deficient number, since it is larger than the sum of its proper divisors (1051021744528).

1201112132312 is a wasteful number, since it uses less digits than its factorization.

1201112132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241922 (or 3241918 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1201112132312 its reverse (2132312111021), we get a palindrome (3333424243333).

The spelling of 1201112132312 in words is "one trillion, two hundred one billion, one hundred twelve million, one hundred thirty-two thousand, three hundred twelve".