133012523300 has 36 divisors (see below), whose sum is σ = 289280117700. Its totient is φ = 53086494720.

The previous prime is 133012523297. The next prime is 133012523321. The reversal of 133012523300 is 3325210331.

It can be written as a sum of positive squares in 6 ways, for example, as 11087247616 + 121925275684 = 105296^2 + 349178^2 .

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, 1436309 + ... + 1526108.

It is an arithmetic number, because the mean of its divisors is an integer number (8035558825).

Almost surely, 2^133012523300 is an apocalyptic number.

133012523300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133012523300 is an abundant number, since it is smaller than the sum of its proper divisors (156267594400).

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

133012523300 is a wasteful number, since it uses less digits than its factorization.

133012523300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962880 (or 2962873 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 133012523300 its reverse (3325210331), we get a palindrome (136337733631).

The spelling of 133012523300 in words is "one hundred thirty-three billion, twelve million, five hundred twenty-three thousand, three hundred".