212504058956 has 12 divisors (see below), whose sum is σ = 425008117968. Its totient is φ = 91073168112.

The previous prime is 212504058889. The next prime is 212504058973. The reversal of 212504058956 is 659850405212.

212504058956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

212504058956 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 212504058956.

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 3 ways as a sum of consecutive naturals, for example, 3794715311 + ... + 3794715366.

It is an arithmetic number, because the mean of its divisors is an integer number (35417343164).

Almost surely, 2^212504058956 is an apocalyptic number.

It is an amenable number.

212504058956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212504058956 is a wasteful number, since it uses less digits than its factorization.

212504058956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589430688 (or 7589430686 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 212504058956 in words is "two hundred twelve billion, five hundred four million, fifty-eight thousand, nine hundred fifty-six".