21132401340300 has 72 divisors (see below), whose sum is σ = 61143605225472. Its totient is φ = 5635258728000.

The previous prime is 21132401340283. The next prime is 21132401340313. The reversal of 21132401340300 is 304310423112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47198485 + ... + 47644115.

Almost surely, 2^{21132401340300} is an apocalyptic number.

21132401340300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132401340300 is an abundant number, since it is smaller than the sum of its proper divisors (40011203885172).

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

21132401340300 is a wasteful number, since it uses less digits than its factorization.

21132401340300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603719 (or 603712 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21132401340300 its reverse (304310423112), we get a palindrome (21436711763412).

The spelling of 21132401340300 in words is "twenty-one trillion, one hundred thirty-two billion, four hundred one million, three hundred forty thousand, three hundred".