21000003231132 has 36 divisors (see below), whose sum is σ = 53085624908680. Its totient is φ = 6999699968352.

The previous prime is 21000003231101. The next prime is 21000003231143. The reversal of 21000003231132 is 23113230000012.

21000003231132 is a `hidden beast` number, since 210 + 0 + 0 + 0 + 0 + 323 + 1 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11696878 + ... + 13372245.

Almost surely, 2^{21000003231132} is an apocalyptic number.

It is an amenable number.

21000003231132 is an abundant number, since it is smaller than the sum of its proper divisors (32085621677548).

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

21000003231132 is a wasteful number, since it uses less digits than its factorization.

21000003231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25092402 (or 25092397 counting only the distinct ones).

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

Adding to 21000003231132 its reverse (23113230000012), we get a palindrome (44113233231144).

The spelling of 21000003231132 in words is "twenty-one trillion, three million, two hundred thirty-one thousand, one hundred thirty-two".