133225012 has 12 divisors (see below), whose sum is σ = 239445220. Its totient is φ = 64812096.

The previous prime is 133224997. The next prime is 133225033. The reversal of 133225012 is 210522331.

It can be written as a sum of positive squares in 2 ways, for example, as 55890576 + 77334436 = 7476^2 + 8794^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449937 + ... + 450232.

Almost surely, 2^133225012 is an apocalyptic number.

It is an amenable number.

133225012 is a deficient number, since it is larger than the sum of its proper divisors (106220208).

133225012 is a wasteful number, since it uses less digits than its factorization.

133225012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900210 (or 900208 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 133225012 is about 11542.3139794410. The cubic root of 133225012 is about 510.7345713484.

Adding to 133225012 its reverse (210522331), we get a palindrome (343747343).

It can be divided in two parts, 1332 and 25012, that multiplied together give a square (33315984 = 5772²).

The spelling of 133225012 in words is "one hundred thirty-three million, two hundred twenty-five thousand, twelve".