212233464531 has 96 divisors (see below), whose sum is σ = 358839149760. Its totient is φ = 119448576000.

The previous prime is 212233464419. The next prime is 212233464557. The reversal of 212233464531 is 135464332212.

212233464531 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 3 + 3 + 4 + 645 + 3 + 1 = 666.

212233464531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212233464531 - 2¹³ = 212233456339 is a prime.

It is a super-2 number, since 2×212233464531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212233462531) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 53202685 + ... + 53206673.

It is an arithmetic number, because the mean of its divisors is an integer number (3737907810).

Almost surely, 2^212233464531 is an apocalyptic number.

212233464531 is a deficient number, since it is larger than the sum of its proper divisors (146605685229).

212233464531 is a wasteful number, since it uses less digits than its factorization.

212233464531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437 (or 4434 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 212233464531 its reverse (135464332212), we get a palindrome (347697796743).

The spelling of 212233464531 in words is "two hundred twelve billion, two hundred thirty-three million, four hundred sixty-four thousand, five hundred thirty-one".