2124812940 has 48 divisors (see below), whose sum is σ = 6262609920. Its totient is φ = 536794560.

The previous prime is 2124812917. The next prime is 2124812947. The reversal of 2124812940 is 492184212.

It is not an unprimeable number, because it can be changed into a prime (2124812947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930796 + ... + 933075.

It is an arithmetic number, because the mean of its divisors is an integer number (130471040).

Almost surely, 2^2124812940 is an apocalyptic number.

2124812940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124812940 is an abundant number, since it is smaller than the sum of its proper divisors (4137796980).

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

2124812940 is a wasteful number, since it uses less digits than its factorization.

2124812940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863902 (or 1863900 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2124812940 is about 46095.6932912393. The cubic root of 2124812940 is about 1285.6030699920.

The spelling of 2124812940 in words is "two billion, one hundred twenty-four million, eight hundred twelve thousand, nine hundred forty".