133221210112 has 48 divisors (see below), whose sum is σ = 270129459600. Its totient is φ = 65672355840.

The previous prime is 133221210097. The next prime is 133221210137. The reversal of 133221210112 is 211012122331.

It is a self number, because there is not a number n which added to its sum of digits gives 133221210112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312687 + ... + 603502.

It is an arithmetic number, because the mean of its divisors is an integer number (5627697075).

Almost surely, 2^133221210112 is an apocalyptic number.

It is an amenable number.

133221210112 is an abundant number, since it is smaller than the sum of its proper divisors (136908249488).

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

133221210112 is an frugal number, since it uses more digits than its factorization.

133221210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916282 (or 916262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 133221210112 its reverse (211012122331), we get a palindrome (344233332443).

The spelling of 133221210112 in words is "one hundred thirty-three billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".