21332303033012 has 12 divisors (see below), whose sum is σ = 37342764616416. Its totient is φ = 10662941714040.

The previous prime is 21332303032979. The next prime is 21332303033101. The reversal of 21332303033012 is 21033030323312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802435664 + ... + 802462247.

It is an arithmetic number, because the mean of its divisors is an integer number (3111897051368).

Almost surely, 2^{21332303033012} is an apocalyptic number.

It is an amenable number.

21332303033012 is a deficient number, since it is larger than the sum of its proper divisors (16010461583404).

21332303033012 is a wasteful number, since it uses less digits than its factorization.

21332303033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604901238 (or 1604901236 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 21332303033012 its reverse (21033030323312), we get a palindrome (42365333356324).

The spelling of 21332303033012 in words is "twenty-one trillion, three hundred thirty-two billion, three hundred three million, thirty-three thousand, twelve".