78514162041212 has 12 divisors (see below), whose sum is σ = 138481671632640. Its totient is φ = 38947970146176.

The previous prime is 78514162041199. The next prime is 78514162041223. The reversal of 78514162041212 is 21214026141587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77277718037 + ... + 77277719052.

It is an arithmetic number, because the mean of its divisors is an integer number (11540139302720).

Almost surely, 2^{78514162041212} is an apocalyptic number.

It is an amenable number.

78514162041212 is a deficient number, since it is larger than the sum of its proper divisors (59967509591428).

78514162041212 is a wasteful number, since it uses less digits than its factorization.

78514162041212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154555437220 (or 154555437218 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

Adding to 78514162041212 its reverse (21214026141587), we get a palindrome (99728188182799).

The spelling of 78514162041212 in words is "seventy-eight trillion, five hundred fourteen billion, one hundred sixty-two million, forty-one thousand, two hundred twelve".