78101412 has 24 divisors (see below), whose sum is σ = 182534016. Its totient is φ = 25991328.

The previous prime is 78101389. The next prime is 78101447. The reversal of 78101412 is 21410187.

It is an alternating number because its digits alternate between odd and even.

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, 2853 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (7605584).

Almost surely, 2^78101412 is an apocalyptic number.

It is an amenable number.

78101412 is an abundant number, since it is smaller than the sum of its proper divisors (104432604).

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

78101412 is a wasteful number, since it uses less digits than its factorization.

78101412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627 (or 10625 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 78101412 is about 8837.5003253182. The cubic root of 78101412 is about 427.4509584316.

Adding to 78101412 its reverse (21410187), we get a palindrome (99511599).

The spelling of 78101412 in words is "seventy-eight million, one hundred one thousand, four hundred twelve".