2312201112 has 64 divisors (see below), whose sum is σ = 6245309280. Its totient is φ = 709143552.

The previous prime is 2312201081. The next prime is 2312201131. The reversal of 2312201112 is 2111022132.

It is a junction number, because it is equal to n+sod(n) for n = 2312201091 and 2312201100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85818 + ... + 109494.

Almost surely, 2^2312201112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3122654640).

2312201112 is an abundant number, since it is smaller than the sum of its proper divisors (3933108168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312201112 is a wasteful number, since it uses less digits than its factorization.

2312201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24012 (or 24008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2312201112 is about 48085.3523643115. The cubic root of 2312201112 is about 1322.3361431157.

Adding to 2312201112 its reverse (2111022132), we get a palindrome (4423223244).

The spelling of 2312201112 in words is "two billion, three hundred twelve million, two hundred one thousand, one hundred twelve".