12104778348 has 60 divisors (see below), whose sum is σ = 34078469040. Its totient is φ = 3724545888.

The previous prime is 12104778347. The next prime is 12104778359. The reversal of 12104778348 is 84387740121.

It is not an unprimeable number, because it can be changed into a prime (12104778347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1432728 + ... + 1441151.

It is an arithmetic number, because the mean of its divisors is an integer number (567974484).

Almost surely, 2^12104778348 is an apocalyptic number.

12104778348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12104778348 is an abundant number, since it is smaller than the sum of its proper divisors (21973690692).

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

12104778348 is a wasteful number, since it uses less digits than its factorization.

12104778348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873908 (or 2873897 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 12104778348 in words is "twelve billion, one hundred four million, seven hundred seventy-eight thousand, three hundred forty-eight".