2124021532450 has 24 divisors (see below), whose sum is σ = 3950804381220. Its totient is φ = 849581875200.

The previous prime is 2124021532447. The next prime is 2124021532511. The reversal of 2124021532450 is 542351204212.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1474628921649 + 649392610801 = 1214343^2 + 805849^2 .

It is a super-2 number, since 2×2124021532450² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 976290 + ... + 2280610.

Almost surely, 2^{2124021532450} is an apocalyptic number.

2124021532450 is a deficient number, since it is larger than the sum of its proper divisors (1826782848770).

2124021532450 is a wasteful number, since it uses less digits than its factorization.

2124021532450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336902 (or 1336897 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2124021532450 its reverse (542351204212), we get a palindrome (2666372736662).

The spelling of 2124021532450 in words is "two trillion, one hundred twenty-four billion, twenty-one million, five hundred thirty-two thousand, four hundred fifty".