133220321300 has 36 divisors (see below), whose sum is σ = 315368835936. Its totient is φ = 48443752800.

The previous prime is 133220321261. The next prime is 133220321317. The reversal of 133220321300 is 3123022331.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 60553592 + ... + 60555791.

Almost surely, 2^133220321300 is an apocalyptic number.

133220321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133220321300 is an abundant number, since it is smaller than the sum of its proper divisors (182148514636).

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

133220321300 is a wasteful number, since it uses less digits than its factorization.

133220321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121109408 (or 121109401 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133220321300 its reverse (3123022331), we get a palindrome (136343343631).

The spelling of 133220321300 in words is "one hundred thirty-three billion, two hundred twenty million, three hundred twenty-one thousand, three hundred".