212525483378 has 16 divisors (see below), whose sum is σ = 343540405656. Its totient is φ = 98022967680.

The previous prime is 212525483377. The next prime is 212525483389. The reversal of 212525483378 is 873384525212.

It can be written as a sum of positive squares in 4 ways, for example, as 110717904049 + 101807579329 = 332743^2 + 319073^2 .

It is not an unprimeable number, because it can be changed into a prime (212525483377) 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, 2698643 + ... + 2776278.

Almost surely, 2^212525483378 is an apocalyptic number.

212525483378 is a deficient number, since it is larger than the sum of its proper divisors (131014922278).

212525483378 is a wasteful number, since it uses less digits than its factorization.

212525483378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476429.

The product of its digits is 3225600, while the sum is 50.

The spelling of 212525483378 in words is "two hundred twelve billion, five hundred twenty-five million, four hundred eighty-three thousand, three hundred seventy-eight".