68613008012 has 48 divisors (see below), whose sum is σ = 127419341280. Its totient is φ = 32237222400.

The previous prime is 68613007979. The next prime is 68613008017. The reversal of 68613008012 is 21080031686.

It is not an unprimeable number, because it can be changed into a prime (68613008017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19374962 + ... + 19378502.

It is an arithmetic number, because the mean of its divisors is an integer number (2654569610).

Almost surely, 2^68613008012 is an apocalyptic number.

It is an amenable number.

68613008012 is a deficient number, since it is larger than the sum of its proper divisors (58806333268).

68613008012 is a wasteful number, since it uses less digits than its factorization.

68613008012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562 (or 5560 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

Adding to 68613008012 its reverse (21080031686), we get a palindrome (89693039698).

The spelling of 68613008012 in words is "sixty-eight billion, six hundred thirteen million, eight thousand, twelve".