21412430124 has 48 divisors (see below), whose sum is σ = 50620071936. Its totient is φ = 7044105600.

The previous prime is 21412430119. The next prime is 21412430131. The reversal of 21412430124 is 42103421412.

It is a junction number, because it is equal to n+sod(n) for n = 21412430094 and 21412430103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254304 + ... + 327864.

It is an arithmetic number, because the mean of its divisors is an integer number (1054584832).

Almost surely, 2^21412430124 is an apocalyptic number.

It is an amenable number.

21412430124 is an abundant number, since it is smaller than the sum of its proper divisors (29207641812).

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

21412430124 is a wasteful number, since it uses less digits than its factorization.

21412430124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73886 (or 73884 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21412430124 its reverse (42103421412), we get a palindrome (63515851536).

The spelling of 21412430124 in words is "twenty-one billion, four hundred twelve million, four hundred thirty thousand, one hundred twenty-four".