2312120111202 has 96 divisors (see below), whose sum is σ = 5499075778560. Its totient is φ = 696277265760.

The previous prime is 2312120111201. The next prime is 2312120111251. The reversal of 2312120111202 is 2021110212132.

2312120111202 is a `hidden beast` number, since 231 + 2 + 120 + 111 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2312120111201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227588199 + ... + 227598357.

It is an arithmetic number, because the mean of its divisors is an integer number (57282039360).

Almost surely, 2^{2312120111202} is an apocalyptic number.

2312120111202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312120111202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2749537889280).

2312120111202 is an abundant number, since it is smaller than the sum of its proper divisors (3186955667358).

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

2312120111202 is a wasteful number, since it uses less digits than its factorization.

2312120111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17228 (or 17225 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2312120111202 its reverse (2021110212132), we get a palindrome (4333230323334).

The spelling of 2312120111202 in words is "two trillion, three hundred twelve billion, one hundred twenty million, one hundred eleven thousand, two hundred two".