212243512031235 has 48 divisors (see below), whose sum is σ = 369496456449120. Its totient is φ = 112702513512960.

The previous prime is 212243512031207. The next prime is 212243512031263. The reversal of 212243512031235 is 532130215342212.

212243512031235 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 435 + 1 + 203 + 12 + 3 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (212243512031207) and next prime (212243512031263).

It is not a de Polignac number, because 212243512031235 - 2⁶ = 212243512031171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212243512031235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8857396 + ... + 22426334.

It is an arithmetic number, because the mean of its divisors is an integer number (7697842842690).

Almost surely, 2^{212243512031235} is an apocalyptic number.

212243512031235 is a deficient number, since it is larger than the sum of its proper divisors (157252944417885).

212243512031235 is a wasteful number, since it uses less digits than its factorization.

212243512031235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13570468 (or 13570465 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 212243512031235 its reverse (532130215342212), we get a palindrome (744373727373447).

The spelling of 212243512031235 in words is "two hundred twelve trillion, two hundred forty-three billion, five hundred twelve million, thirty-one thousand, two hundred thirty-five".