212133130422 has 64 divisors (see below), whose sum is σ = 434510189568. Its totient is φ = 69022800000.

The previous prime is 212133130411. The next prime is 212133130423. The reversal of 212133130422 is 224031331212.

It is a super-3 number, since 3×212133130422³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212133130392 and 212133130401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133130423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42844047 + ... + 42848997.

It is an arithmetic number, because the mean of its divisors is an integer number (6789221712).

Almost surely, 2^212133130422 is an apocalyptic number.

212133130422 is an abundant number, since it is smaller than the sum of its proper divisors (222377059146).

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

212133130422 is a wasteful number, since it uses less digits than its factorization.

212133130422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212133130422 its reverse (224031331212), we get a palindrome (436164461634).

The spelling of 212133130422 in words is "two hundred twelve billion, one hundred thirty-three million, one hundred thirty thousand, four hundred twenty-two".