12290381078 has 16 divisors (see below), whose sum is σ = 19411481520. Its totient is φ = 5820074496.

The previous prime is 12290381069. The next prime is 12290381111. The reversal of 12290381078 is 87018309221.

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, 91526 + ... + 181542.

It is an arithmetic number, because the mean of its divisors is an integer number (1213217595).

Almost surely, 2^12290381078 is an apocalyptic number.

12290381078 is a deficient number, since it is larger than the sum of its proper divisors (7121100442).

12290381078 is a wasteful number, since it uses less digits than its factorization.

12290381078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93631.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 12290381078 in words is "twelve billion, two hundred ninety million, three hundred eighty-one thousand, seventy-eight".