21337133173312 has 56 divisors (see below), whose sum is σ = 46258678050912. Its totient is φ = 9684285542400.

The previous prime is 21337133173303. The next prime is 21337133173319.

21337133173312 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (21337133173319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22043614 + ... + 22991197.

Almost surely, 2^{21337133173312} is an apocalyptic number.

21337133173312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21337133173312 is an abundant number, since it is smaller than the sum of its proper divisors (24921544877600).

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

21337133173312 is a wasteful number, since it uses less digits than its factorization.

21337133173312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45035507 (or 45035497 counting only the distinct ones).

The product of its digits is 142884, while the sum is 40.

The spelling of 21337133173312 in words is "twenty-one trillion, three hundred thirty-seven billion, one hundred thirty-three million, one hundred seventy-three thousand, three hundred twelve".