212152504302 has 24 divisors (see below), whose sum is σ = 465482291040. Its totient is φ = 69822342720.

The previous prime is 212152504283. The next prime is 212152504303. The reversal of 212152504302 is 203405251212.

212152504302 is a `hidden beast` number, since 2 + 1 + 2 + 152 + 504 + 3 + 0 + 2 = 666.

212152504302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212152504302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212152504303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74595099 + ... + 74597942.

It is an arithmetic number, because the mean of its divisors is an integer number (19395095460).

Almost surely, 2^212152504302 is an apocalyptic number.

212152504302 is an abundant number, since it is smaller than the sum of its proper divisors (253329786738).

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

212152504302 is a wasteful number, since it uses less digits than its factorization.

212152504302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149193128 (or 149193125 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 212152504302 its reverse (203405251212), we get a palindrome (415557755514).

The spelling of 212152504302 in words is "two hundred twelve billion, one hundred fifty-two million, five hundred four thousand, three hundred two".