133220213213210 has 32 divisors (see below), whose sum is σ = 242270516475792. Its totient is φ = 52738287114240.

The previous prime is 133220213213167. The next prime is 133220213213249. The reversal of 133220213213210 is 12312312022331.

It can be written as a sum of positive squares in 8 ways, for example, as 19975008974281 + 113245204238929 = 4469341^2 + 10641673^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133220213213210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132829820 + ... + 133829000.

Almost surely, 2^{133220213213210} is an apocalyptic number.

133220213213210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133220213213210 is a deficient number, since it is larger than the sum of its proper divisors (109050303262582).

133220213213210 is a wasteful number, since it uses less digits than its factorization.

133220213213210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136738.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 133220213213210 its reverse (12312312022331), we get a palindrome (145532525235541).

The spelling of 133220213213210 in words is "one hundred thirty-three trillion, two hundred twenty billion, two hundred thirteen million, two hundred thirteen thousand, two hundred ten".