78020101222112 has 48 divisors (see below), whose sum is σ = 175545825799680. Its totient is φ = 33437072323968.

The previous prime is 78020101222103. The next prime is 78020101222127. The reversal of 78020101222112 is 21122210102087.

It is a congruent number.

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, 118939253 + ... + 119593419.

It is an arithmetic number, because the mean of its divisors is an integer number (3657204704160).

Almost surely, 2^{78020101222112} is an apocalyptic number.

It is an amenable number.

78020101222112 is an abundant number, since it is smaller than the sum of its proper divisors (97525724577568).

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

78020101222112 is a wasteful number, since it uses less digits than its factorization.

78020101222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186623 (or 1186615 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 78020101222112 its reverse (21122210102087), we get a palindrome (99142311324199).

The spelling of 78020101222112 in words is "seventy-eight trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred twelve".