212012210133 has 28 divisors (see below), whose sum is σ = 317947159488. Its totient is φ = 141308456040.

The previous prime is 212012210129. The next prime is 212012210141. The reversal of 212012210133 is 331012210212.

It is not a de Polignac number, because 212012210133 - 2² = 212012210129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012212133) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3315166 + ... + 3378512.

It is an arithmetic number, because the mean of its divisors is an integer number (11355255696).

Almost surely, 2^212012210133 is an apocalyptic number.

It is an amenable number.

212012210133 is a deficient number, since it is larger than the sum of its proper divisors (105934949355).

212012210133 is an frugal number, since it uses more digits than its factorization.

212012210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67956 (or 67941 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212012210133 its reverse (331012210212), we get a palindrome (543024420345).

The spelling of 212012210133 in words is "two hundred twelve billion, twelve million, two hundred ten thousand, one hundred thirty-three".