2112300000 has 216 divisors, whose sum is σ = 7511284872. Its totient is φ = 563040000.

The previous prime is 2112299983. The next prime is 2112300007. The reversal of 2112300000 is 32112.

It is a happy number.

It is a super-2 number, since 2×2112300000² = 8923622580000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112300007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 898827 + ... + 901173.

It is an arithmetic number, because the mean of its divisors is an integer number (34774467).

Almost surely, 2^2112300000 is an apocalyptic number.

2112300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3755642436).

2112300000 is an abundant number, since it is smaller than the sum of its proper divisors (5398984872).

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

2112300000 is an equidigital number, since it uses as much as digits as its factorization.

2112300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2112300000 is about 45959.7650124541. The cubic root of 2112300000 is about 1283.0744778784.

Adding to 2112300000 its reverse (32112), we get a palindrome (2112332112).

The spelling of 2112300000 in words is "two billion, one hundred twelve million, three hundred thousand".