133115054712 has 128 divisors (see below), whose sum is σ = 360492249600. Its totient is φ = 40806699008.

The previous prime is 133115054711. The next prime is 133115054719. The reversal of 133115054712 is 217450511331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133115054711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4003468 + ... + 4036580.

It is an arithmetic number, because the mean of its divisors is an integer number (2816345700).

Almost surely, 2^133115054712 is an apocalyptic number.

133115054712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133115054712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180246124800).

133115054712 is an abundant number, since it is smaller than the sum of its proper divisors (227377194888).

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

133115054712 is a wasteful number, since it uses less digits than its factorization.

133115054712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33365 (or 33361 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 133115054712 in words is "one hundred thirty-three billion, one hundred fifteen million, fifty-four thousand, seven hundred twelve".