78215734182112 has 12 divisors (see below), whose sum is σ = 153987226671096. Its totient is φ = 39107867091040.

The previous prime is 78215734182109. The next prime is 78215734182121. The reversal of 78215734182112 is 21128143751287.

78215734182112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×78215734182112² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 78215734182112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222120846564 + ... + 1222120846627.

It is an arithmetic number, because the mean of its divisors is an integer number (12832268889258).

Almost surely, 2^{78215734182112} is an apocalyptic number.

It is an amenable number.

78215734182112 is a deficient number, since it is larger than the sum of its proper divisors (75771492488984).

78215734182112 is a wasteful number, since it uses less digits than its factorization.

78215734182112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444241693201 (or 2444241693193 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 52.

The spelling of 78215734182112 in words is "seventy-eight trillion, two hundred fifteen billion, seven hundred thirty-four million, one hundred eighty-two thousand, one hundred twelve".