212103234536 has 16 divisors (see below), whose sum is σ = 397791267300. Its totient is φ = 106025563264.

The previous prime is 212103234533. The next prime is 212103234587. The reversal of 212103234536 is 635432301212.

212103234536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 151316332036 + 60786902500 = 388994^2 + 246550^2 .

It is not an unprimeable number, because it can be changed into a prime (212103234533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3222131 + ... + 3287298.

Almost surely, 2^212103234536 is an apocalyptic number.

It is an amenable number.

212103234536 is a deficient number, since it is larger than the sum of its proper divisors (185688032764).

212103234536 is a wasteful number, since it uses less digits than its factorization.

212103234536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513508 (or 6513504 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 212103234536 its reverse (635432301212), we get a palindrome (847535535748).

The spelling of 212103234536 in words is "two hundred twelve billion, one hundred three million, two hundred thirty-four thousand, five hundred thirty-six".