1201232314871 has 4 divisors (see below), whose sum is σ = 1203968607600. Its totient is φ = 1198496022144.

The previous prime is 1201232314859. The next prime is 1201232314883. The reversal of 1201232314871 is 1784132321021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1201232314859) and next prime (1201232314883).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201232314871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201232314571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368145706 + ... + 1368146583.

It is an arithmetic number, because the mean of its divisors is an integer number (300992151900).

Almost surely, 2^{1201232314871} is an apocalyptic number.

1201232314871 is a deficient number, since it is larger than the sum of its proper divisors (2736292729).

1201232314871 is an equidigital number, since it uses as much as digits as its factorization.

1201232314871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736292728.

The product of its (nonzero) digits is 16128, while the sum is 35.

Adding to 1201232314871 its reverse (1784132321021), we get a palindrome (2985364635892).

The spelling of 1201232314871 in words is "one trillion, two hundred one billion, two hundred thirty-two million, three hundred fourteen thousand, eight hundred seventy-one".