2124200142 has 48 divisors (see below), whose sum is σ = 4630953600. Its totient is φ = 703696896.

The previous prime is 2124200137. The next prime is 2124200147. The reversal of 2124200142 is 2410024212.

It is an interprime number because it is at equal distance from previous prime (2124200137) and next prime (2124200147).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124200147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3499203 + ... + 3499809.

It is an arithmetic number, because the mean of its divisors is an integer number (96478200).

Almost surely, 2^2124200142 is an apocalyptic number.

2124200142 is an abundant number, since it is smaller than the sum of its proper divisors (2506753458).

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

2124200142 is a wasteful number, since it uses less digits than its factorization.

2124200142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2124200142 is about 46089.0457918148. The cubic root of 2124200142 is about 1285.4794684076.

Adding to 2124200142 its reverse (2410024212), we get a palindrome (4534224354).

The spelling of 2124200142 in words is "two billion, one hundred twenty-four million, two hundred thousand, one hundred forty-two".