21124232298 has 64 divisors (see below), whose sum is σ = 51786806400. Its totient is φ = 6341224320.

The previous prime is 21124232231. The next prime is 21124232299. The reversal of 21124232298 is 89223242112.

It is a happy number.

21124232298 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 423 + 229 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (21124232299) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 338188 + ... + 395751.

It is an arithmetic number, because the mean of its divisors is an integer number (809168850).

Almost surely, 2^21124232298 is an apocalyptic number.

21124232298 is an abundant number, since it is smaller than the sum of its proper divisors (30662574102).

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

21124232298 is a wasteful number, since it uses less digits than its factorization.

21124232298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734004 (or 733998 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 21124232298 in words is "twenty-one billion, one hundred twenty-four million, two hundred thirty-two thousand, two hundred ninety-eight".