312142134201111 has 24 divisors (see below), whose sum is σ = 452603236415616. Its totient is φ = 207295770018960.

The previous prime is 312142134201067. The next prime is 312142134201137. The reversal of 312142134201111 is 111102431241213.

312142134201111 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 4 + 213 + 420 + 11 + 11 = 666.

It is not a de Polignac number, because 312142134201111 - 2¹⁰ = 312142134200087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312142134202111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61199016 + ... + 66102978.

It is an arithmetic number, because the mean of its divisors is an integer number (18858468183984).

Almost surely, 2^{312142134201111} is an apocalyptic number.

312142134201111 is a deficient number, since it is larger than the sum of its proper divisors (140461102214505).

312142134201111 is a wasteful number, since it uses less digits than its factorization.

312142134201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931123 (or 4931120 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 312142134201111 its reverse (111102431241213), we get a palindrome (423244565442324).

The spelling of 312142134201111 in words is "three hundred twelve trillion, one hundred forty-two billion, one hundred thirty-four million, two hundred one thousand, one hundred eleven".