212102658336 has 48 divisors (see below), whose sum is σ = 558779546304. Its totient is φ = 70445639424.

The previous prime is 212102658319. The next prime is 212102658343. The reversal of 212102658336 is 633856201212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 212102658294 and 212102658303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3961500 + ... + 4014683.

It is an arithmetic number, because the mean of its divisors is an integer number (11641240548).

Almost surely, 2^212102658336 is an apocalyptic number.

It is an amenable number.

212102658336 is an abundant number, since it is smaller than the sum of its proper divisors (346676887968).

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

212102658336 is a wasteful number, since it uses less digits than its factorization.

212102658336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976473 (or 7976465 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 212102658336 its reverse (633856201212), we get a palindrome (845958859548).

The spelling of 212102658336 in words is "two hundred twelve billion, one hundred two million, six hundred fifty-eight thousand, three hundred thirty-six".