21232230076 has 12 divisors (see below), whose sum is σ = 37164006040. Its totient is φ = 10613942640.

The previous prime is 21232230059. The next prime is 21232230077. The reversal of 21232230076 is 67003223212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232230077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521010 + ... + 560281.

Almost surely, 2^21232230076 is an apocalyptic number.

It is an amenable number.

21232230076 is a deficient number, since it is larger than the sum of its proper divisors (15931775964).

21232230076 is a wasteful number, since it uses less digits than its factorization.

21232230076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086204 (or 1086202 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 21232230076 its reverse (67003223212), we get a palindrome (88235453288).

The spelling of 21232230076 in words is "twenty-one billion, two hundred thirty-two million, two hundred thirty thousand, seventy-six".