133333210000000 has 256 divisors, whose sum is σ = 351561723046560. Its totient is φ = 50195968000000.

The previous prime is 133333209999973. The next prime is 133333210000031. The reversal of 133333210000000 is 12333331.

It can be written as a sum of positive squares in 16 ways, for example, as 116820300022336 + 16512909977664 = 10808344^2 + 4063608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169607844 + ... + 170392156.

Almost surely, 2^{133333210000000} is an apocalyptic number.

133333210000000 is a gapful number since it is divisible by the number (10) 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 133333210000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175780861523280).

133333210000000 is an abundant number, since it is smaller than the sum of its proper divisors (218228513046560).

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

133333210000000 is an frugal number, since it uses more digits than its factorization.

133333210000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784379 (or 784337 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 133333210000000 its reverse (12333331), we get a palindrome (133333222333331).

The spelling of 133333210000000 in words is "one hundred thirty-three trillion, three hundred thirty-three billion, two hundred ten million", and thus it is an aban number.