212420120133 has 16 divisors (see below), whose sum is σ = 305555302080. Its totient is φ = 130487875584.

The previous prime is 212420120119. The next prime is 212420120161. The reversal of 212420120133 is 331021024212.

It is not a de Polignac number, because 212420120133 - 2⁹ = 212420119621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212420120333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815228 + ... + 4859141.

It is an arithmetic number, because the mean of its divisors is an integer number (19097206380).

Almost surely, 2^212420120133 is an apocalyptic number.

It is an amenable number.

212420120133 is a deficient number, since it is larger than the sum of its proper divisors (93135181947).

212420120133 is a wasteful number, since it uses less digits than its factorization.

212420120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674948.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212420120133 its reverse (331021024212), we get a palindrome (543441144345).

The spelling of 212420120133 in words is "two hundred twelve billion, four hundred twenty million, one hundred twenty thousand, one hundred thirty-three".