212027268132 has 72 divisors (see below), whose sum is σ = 554535366840. Its totient is φ = 68226816000.

The previous prime is 212027268049. The next prime is 212027268133. The reversal of 212027268132 is 231862720212.

It can be written as a sum of positive squares in 4 ways, for example, as 71510247396 + 140517020736 = 267414^2 + 374856^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (212027268133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7558132 + ... + 7586132.

It is an arithmetic number, because the mean of its divisors is an integer number (7701880095).

Almost surely, 2^212027268132 is an apocalyptic number.

It is an amenable number.

212027268132 is an abundant number, since it is smaller than the sum of its proper divisors (342508098708).

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

212027268132 is a wasteful number, since it uses less digits than its factorization.

212027268132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35293 (or 35288 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 212027268132 its reverse (231862720212), we get a palindrome (443889988344).

The spelling of 212027268132 in words is "two hundred twelve billion, twenty-seven million, two hundred sixty-eight thousand, one hundred thirty-two".