2120012300 has 144 divisors (see below), whose sum is σ = 5398821120. Its totient is φ = 707616000.

The previous prime is 2120012287. The next prime is 2120012333. The reversal of 2120012300 is 32100212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5593511 + ... + 5593889.

Almost surely, 2^2120012300 is an apocalyptic number.

2120012300 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 2120012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2699410560).

2120012300 is an abundant number, since it is smaller than the sum of its proper divisors (3278808820).

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

2120012300 is a wasteful number, since it uses less digits than its factorization.

2120012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2120012300 is about 46043.5913021563. The cubic root of 2120012300 is about 1284.6341421368.

Adding to 2120012300 its reverse (32100212), we get a palindrome (2152112512).

The spelling of 2120012300 in words is "two billion, one hundred twenty million, twelve thousand, three hundred".