133212310212 has 24 divisors (see below), whose sum is σ = 315467960416. Its totient is φ = 43741355328.

The previous prime is 133212310211. The next prime is 133212310249. The reversal of 133212310212 is 212013212331.

It is not an unprimeable number, because it can be changed into a prime (133212310211) 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, 82842673 + ... + 82844280.

Almost surely, 2^133212310212 is an apocalyptic number.

133212310212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133212310212 is an abundant number, since it is smaller than the sum of its proper divisors (182255650204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133212310212 is a wasteful number, since it uses less digits than its factorization.

133212310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165687027 (or 165687025 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 133212310212 its reverse (212013212331), we get a palindrome (345225522543).

The spelling of 133212310212 in words is "one hundred thirty-three billion, two hundred twelve million, three hundred ten thousand, two hundred twelve".