2163120300 has 216 divisors, whose sum is σ = 7450689792. Its totient is φ = 520560000.

The previous prime is 2163120269. The next prime is 2163120301. The reversal of 2163120300 is 30213612.

2163120300 is a `hidden beast` number, since 2 + 1 + 631 + 2 + 0 + 30 + 0 = 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 (2163120301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1494177 + ... + 1495623.

Almost surely, 2^2163120300 is an apocalyptic number.

2163120300 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 2163120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725344896).

2163120300 is an abundant number, since it is smaller than the sum of its proper divisors (5287569492).

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

2163120300 is a wasteful number, since it uses less digits than its factorization.

2163120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2163120300 is about 46509.3571230564. The cubic root of 2163120300 is about 1293.2829666207.

Adding to 2163120300 its reverse (30213612), we get a palindrome (2193333912).

The spelling of 2163120300 in words is "two billion, one hundred sixty-three million, one hundred twenty thousand, three hundred".