2120312300 has 18 divisors (see below), whose sum is σ = 4601077908. Its totient is φ = 848124880.

The previous prime is 2120312179. The next prime is 2120312303. The reversal of 2120312300 is 32130212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120312303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10601462 + ... + 10601661.

Almost surely, 2^2120312300 is an apocalyptic number.

2120312300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120312300 is an abundant number, since it is smaller than the sum of its proper divisors (2480765608).

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

2120312300 is a wasteful number, since it uses less digits than its factorization.

2120312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21203137 (or 21203130 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120312300 is about 46046.8489692834. The cubic root of 2120312300 is about 1284.6947348773.

Adding to 2120312300 its reverse (32130212), we get a palindrome (2152442512).

The spelling of 2120312300 in words is "two billion, one hundred twenty million, three hundred twelve thousand, three hundred".