133023020212 has 24 divisors (see below), whose sum is σ = 235802470400. Its totient is φ = 65656150560.

The previous prime is 133023020167. The next prime is 133023020219. The reversal of 133023020212 is 212020320331.

It is a self number, because there is not a number n which added to its sum of digits gives 133023020212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023020219) 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, 556839 + ... + 759022.

Almost surely, 2^133023020212 is an apocalyptic number.

It is an amenable number.

133023020212 is a deficient number, since it is larger than the sum of its proper divisors (102779450188).

133023020212 is a wasteful number, since it uses less digits than its factorization.

133023020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316191 (or 1316189 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 133023020212 its reverse (212020320331), we get a palindrome (345043340543).

The spelling of 133023020212 in words is "one hundred thirty-three billion, twenty-three million, twenty thousand, two hundred twelve".