133212010 has 16 divisors (see below), whose sum is σ = 240085800. Its totient is φ = 53217216.

The previous prime is 133211989. The next prime is 133212011. The reversal of 133212010 is 10212331.

It can be written as a sum of positive squares in 4 ways, for example, as 96452041 + 36759969 = 9821^2 + 6063^2 .

It is not an unprimeable number, because it can be changed into a prime (133212011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 16324.

Almost surely, 2^133212010 is an apocalyptic number.

133212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133212010 is a deficient number, since it is larger than the sum of its proper divisors (106873790).

133212010 is a wasteful number, since it uses less digits than its factorization.

133212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 133212010 is about 11541.7507337492. The cubic root of 133212010 is about 510.7179558825.

Adding to 133212010 its reverse (10212331), we get a palindrome (143424341).

The spelling of 133212010 in words is "one hundred thirty-three million, two hundred twelve thousand, ten".