21412126654430 has 16 divisors (see below), whose sum is σ = 38551417955280. Its totient is φ = 8562719555712.

The previous prime is 21412126654421. The next prime is 21412126654469. The reversal of 21412126654430 is 3445662121412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266346059 + ... + 266426438.

It is an arithmetic number, because the mean of its divisors is an integer number (2409463622205).

Almost surely, 2^{21412126654430} is an apocalyptic number.

21412126654430 is a deficient number, since it is larger than the sum of its proper divisors (17139291300850).

21412126654430 is a wasteful number, since it uses less digits than its factorization.

21412126654430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532776523.

The product of its (nonzero) digits is 276480, while the sum is 41.

Adding to 21412126654430 its reverse (3445662121412), we get a palindrome (24857788775842).

The spelling of 21412126654430 in words is "twenty-one trillion, four hundred twelve billion, one hundred twenty-six million, six hundred fifty-four thousand, four hundred thirty".