1202112311 has 12 divisors (see below), whose sum is σ = 1273530600. Its totient is φ = 1134517968.

The previous prime is 1202112287. The next prime is 1202112341. The reversal of 1202112311 is 1132112021.

It is a de Polignac number, because none of the positive numbers 2^k-1202112311 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 (1202112341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90920 + ... + 103298.

It is an arithmetic number, because the mean of its divisors is an integer number (106127550).

Almost surely, 2^1202112311 is an apocalyptic number.

1202112311 is a deficient number, since it is larger than the sum of its proper divisors (71418289).

1202112311 is a wasteful number, since it uses less digits than its factorization.

1202112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12686 (or 12667 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1202112311 is about 34671.4913293328. The cubic root of 1202112311 is about 1063.2817218513.

Adding to 1202112311 its reverse (1132112021), we get a palindrome (2334224332).

The spelling of 1202112311 in words is "one billion, two hundred two million, one hundred twelve thousand, three hundred eleven".