2124136500 has 96 divisors (see below), whose sum is σ = 6195885696. Its totient is φ = 565484800.

The previous prime is 2124136493. The next prime is 2124136513. The reversal of 2124136500 is 56314212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1779904 + ... + 1781096.

It is an arithmetic number, because the mean of its divisors is an integer number (64540476).

Almost surely, 2^2124136500 is an apocalyptic number.

2124136500 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 2124136500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3097942848).

2124136500 is an abundant number, since it is smaller than the sum of its proper divisors (4071749196).

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

2124136500 is a wasteful number, since it uses less digits than its factorization.

2124136500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2124136500 is about 46088.3553622821. The cubic root of 2124136500 is about 1285.4666304300.

The spelling of 2124136500 in words is "two billion, one hundred twenty-four million, one hundred thirty-six thousand, five hundred".