778101022212002 has 16 divisors (see below), whose sum is σ = 1168062713092800. Its totient is φ = 388746857094960.

The previous prime is 778101022211999. The next prime is 778101022212013. The reversal of 778101022212002 is 200212220101877.

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, 3305024 + ... + 39586932.

It is an arithmetic number, because the mean of its divisors is an integer number (73003919568300).

Almost surely, 2^{778101022212002} is an apocalyptic number.

778101022212002 is a deficient number, since it is larger than the sum of its proper divisors (389961690880798).

778101022212002 is a wasteful number, since it uses less digits than its factorization.

778101022212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36290281.

The product of its (nonzero) digits is 12544, while the sum is 35.

Adding to 778101022212002 its reverse (200212220101877), we get a palindrome (978313242313879).

The spelling of 778101022212002 in words is "seven hundred seventy-eight trillion, one hundred one billion, twenty-two million, two hundred twelve thousand, two".