133330021220212 has 12 divisors (see below), whose sum is σ = 241373314278180. Its totient is φ = 64366217140736.

The previous prime is 133330021220177. The next prime is 133330021220293. The reversal of 133330021220212 is 212022120033331.

It can be written as a sum of positive squares in 2 ways, for example, as 106679688759396 + 26650332460816 = 10328586^2 + 5162396^2 .

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, 574698367213 + ... + 574698367444.

It is an arithmetic number, because the mean of its divisors is an integer number (20114442856515).

Almost surely, 2^{133330021220212} is an apocalyptic number.

It is an amenable number.

133330021220212 is a deficient number, since it is larger than the sum of its proper divisors (108043293057968).

133330021220212 is a wasteful number, since it uses less digits than its factorization.

133330021220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149396734690 (or 1149396734688 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 133330021220212 its reverse (212022120033331), we get a palindrome (345352141253543).

The spelling of 133330021220212 in words is "one hundred thirty-three trillion, three hundred thirty billion, twenty-one million, two hundred twenty thousand, two hundred twelve".