780220321112 has 32 divisors (see below), whose sum is σ = 1466578476720. Its totient is φ = 389133724800.

The previous prime is 780220321103. The next prime is 780220321247. The reversal of 780220321112 is 211123022087.

It is a super-2 number, since 2×780220321112² (a number of 25 digits) contains 22 as substring.

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, 6297362 + ... + 6420062.

Almost surely, 2^780220321112 is an apocalyptic number.

It is an amenable number.

780220321112 is a deficient number, since it is larger than the sum of its proper divisors (686358155608).

780220321112 is a wasteful number, since it uses less digits than its factorization.

780220321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124691 (or 124687 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 780220321112 its reverse (211123022087), we get a palindrome (991343343199).

The spelling of 780220321112 in words is "seven hundred eighty billion, two hundred twenty million, three hundred twenty-one thousand, one hundred twelve".