78302000312 has 16 divisors (see below), whose sum is σ = 146819760360. Its totient is φ = 39150064224.

The previous prime is 78302000303. The next prime is 78302000317. The reversal of 78302000312 is 21300020387.

It is a super-2 number, since 2×78302000312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78302000317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346658 + ... + 526094.

Almost surely, 2^78302000312 is an apocalyptic number.

It is an amenable number.

78302000312 is a deficient number, since it is larger than the sum of its proper divisors (68517760048).

78302000312 is a wasteful number, since it uses less digits than its factorization.

78302000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233990 (or 233986 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 78302000312 its reverse (21300020387), we get a palindrome (99602020699).

The spelling of 78302000312 in words is "seventy-eight billion, three hundred two million, three hundred twelve", and thus it is an aban number.