21000132301230 has 96 divisors (see below), whose sum is σ = 54895873073184. Its totient is φ = 5569797235968.

The previous prime is 21000132301171. The next prime is 21000132301297. The reversal of 21000132301230 is 3210323100012.

21000132301230 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 0 + 132 + 301 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13129849 + ... + 14642171.

It is an arithmetic number, because the mean of its divisors is an integer number (571832011179).

Almost surely, 2^{21000132301230} is an apocalyptic number.

21000132301230 is an abundant number, since it is smaller than the sum of its proper divisors (33895740771954).

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

21000132301230 is a wasteful number, since it uses less digits than its factorization.

21000132301230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513170 (or 1513167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21000132301230 its reverse (3210323100012), we get a palindrome (24210455401242).

The spelling of 21000132301230 in words is "twenty-one trillion, one hundred thirty-two million, three hundred one thousand, two hundred thirty".