133031123112 has 64 divisors (see below), whose sum is σ = 343361525760. Its totient is φ = 42906340800.

The previous prime is 133031123089. The next prime is 133031123149. The reversal of 133031123112 is 211321130331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6694263 + ... + 6714105.

It is an arithmetic number, because the mean of its divisors is an integer number (5365023840).

Almost surely, 2^133031123112 is an apocalyptic number.

133031123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133031123112 is an abundant number, since it is smaller than the sum of its proper divisors (210330402648).

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

133031123112 is a wasteful number, since it uses less digits than its factorization.

133031123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28894 (or 28890 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133031123112 its reverse (211321130331), we get a palindrome (344352253443).

The spelling of 133031123112 in words is "one hundred thirty-three billion, thirty-one million, one hundred twenty-three thousand, one hundred twelve".