21430132141204 has 48 divisors (see below), whose sum is σ = 37919281120000. Its totient is φ = 10596230701056.

The previous prime is 21430132141193. The next prime is 21430132141211. The reversal of 21430132141204 is 40214123103412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190148612 + ... + 5190152740.

Almost surely, 2^{21430132141204} is an apocalyptic number.

It is an amenable number.

21430132141204 is a deficient number, since it is larger than the sum of its proper divisors (16489148978796).

21430132141204 is a wasteful number, since it uses less digits than its factorization.

21430132141204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552 (or 11550 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 21430132141204 its reverse (40214123103412), we get a palindrome (61644255244616).

The spelling of 21430132141204 in words is "twenty-one trillion, four hundred thirty billion, one hundred thirty-two million, one hundred forty-one thousand, two hundred four".