68312203502000 has 40 divisors (see below), whose sum is σ = 165178908072672. Its totient is φ = 27324881400000.

The previous prime is 68312203501981. The next prime is 68312203502033. The reversal of 68312203502000 is 20530221386.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×68312203502000² (a number of 28 digits) contains 22 as substring.

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, 17078048876 + ... + 17078052875.

Almost surely, 2^{68312203502000} is an apocalyptic number.

It is an amenable number.

68312203502000 is an abundant number, since it is smaller than the sum of its proper divisors (96866704570672).

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

68312203502000 is a wasteful number, since it uses less digits than its factorization.

68312203502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34156101774 (or 34156101758 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 68312203502000 its reverse (20530221386), we get a palindrome (68332733723386).

The spelling of 68312203502000 in words is "sixty-eight trillion, three hundred twelve billion, two hundred three million, five hundred two thousand".