68759052212 has 12 divisors (see below), whose sum is σ = 120330292740. Its totient is φ = 34378968576.

The previous prime is 68759052209. The next prime is 68759052283. The reversal of 68759052212 is 21225095786.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35534512036 + 33224540176 = 188506^2 + 182276^2 .

It is a super-2 number, since 2×68759052212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274964 + ... + 461652.

It is an arithmetic number, because the mean of its divisors is an integer number (10027524395).

Almost surely, 2^68759052212 is an apocalyptic number.

It is an amenable number.

68759052212 is a deficient number, since it is larger than the sum of its proper divisors (51571240528).

68759052212 is a wasteful number, since it uses less digits than its factorization.

68759052212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278770 (or 278768 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 68759052212 in words is "sixty-eight billion, seven hundred fifty-nine million, fifty-two thousand, two hundred twelve".