212208125750 has 64 divisors (see below), whose sum is σ = 425729326464. Its totient is φ = 78998198400.

The previous prime is 212208125749. The next prime is 212208125821. The reversal of 212208125750 is 57521802212.

It is a self number, because there is not a number n which added to its sum of digits gives 212208125750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285977 + ... + 711476.

It is an arithmetic number, because the mean of its divisors is an integer number (6652020726).

Almost surely, 2^212208125750 is an apocalyptic number.

212208125750 is an abundant number, since it is smaller than the sum of its proper divisors (213521200714).

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

212208125750 is a wasteful number, since it uses less digits than its factorization.

212208125750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997530 (or 997520 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

Adding to 212208125750 its reverse (57521802212), we get a palindrome (269729927962).

The spelling of 212208125750 in words is "two hundred twelve billion, two hundred eight million, one hundred twenty-five thousand, seven hundred fifty".