133045212252212 has 12 divisors (see below), whose sum is σ = 250739053860036. Its totient is φ = 61405482577920.

The previous prime is 133045212252193. The next prime is 133045212252217. The reversal of 133045212252212 is 212252212540331.

It can be written as a sum of positive squares in 2 ways, for example, as 47466505484836 + 85578706767376 = 6889594^2 + 9250876^2 .

It is a super-2 number, since 2×133045212252212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133045212252217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279280886989 + ... + 1279280887092.

It is an arithmetic number, because the mean of its divisors is an integer number (20894921155003).

Almost surely, 2^{133045212252212} is an apocalyptic number.

It is an amenable number.

133045212252212 is a deficient number, since it is larger than the sum of its proper divisors (117693841607824).

133045212252212 is a wasteful number, since it uses less digits than its factorization.

133045212252212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558561774098 (or 2558561774096 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 133045212252212 its reverse (212252212540331), we get a palindrome (345297424792543).

The spelling of 133045212252212 in words is "one hundred thirty-three trillion, forty-five billion, two hundred twelve million, two hundred fifty-two thousand, two hundred twelve".