212208125734 has 32 divisors (see below), whose sum is σ = 347791245984. Its totient is φ = 96307937280.

The previous prime is 212208125729. The next prime is 212208125749. The reversal of 212208125734 is 437521802212.

It is a junction number, because it is equal to n+sod(n) for n = 212208125693 and 212208125702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71860402 + ... + 71863354.

It is an arithmetic number, because the mean of its divisors is an integer number (10868476437).

Almost surely, 2^212208125734 is an apocalyptic number.

212208125734 is a deficient number, since it is larger than the sum of its proper divisors (135583120250).

212208125734 is a wasteful number, since it uses less digits than its factorization.

212208125734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952.

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 212208125734 its reverse (437521802212), we get a palindrome (649729927946).

The spelling of 212208125734 in words is "two hundred twelve billion, two hundred eight million, one hundred twenty-five thousand, seven hundred thirty-four".