2124451512 has 96 divisors (see below), whose sum is σ = 6221966400. Its totient is φ = 652296192.

The previous prime is 2124451501. The next prime is 2124451513. The reversal of 2124451512 is 2151544212.

It is a happy number.

2124451512 is a `hidden beast` number, since 212 + 445 + 1 + 5 + 1 + 2 = 666.

It is a super-2 number, since 2×2124451512² = 9026588453678172288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124451513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39064 + ... + 75992.

It is an arithmetic number, because the mean of its divisors is an integer number (64812150).

Almost surely, 2^2124451512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124451512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3110983200).

2124451512 is an abundant number, since it is smaller than the sum of its proper divisors (4097514888).

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

2124451512 is a wasteful number, since it uses less digits than its factorization.

2124451512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37005 (or 36998 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2124451512 is about 46091.7727148783. The cubic root of 2124451512 is about 1285.5301727052.

Adding to 2124451512 its reverse (2151544212), we get a palindrome (4275995724).

The spelling of 2124451512 in words is "two billion, one hundred twenty-four million, four hundred fifty-one thousand, five hundred twelve".