12229078563 has 24 divisors (see below), whose sum is σ = 19041614592. Its totient is φ = 7518227328.

The previous prime is 12229078559. The next prime is 12229078583. The reversal of 12229078563 is 36587092221.

12229078563 is a `hidden beast` number, since 12 + 2 + 2 + 9 + 0 + 78 + 563 = 666.

It is not a de Polignac number, because 12229078563 - 2² = 12229078559 is a prime.

It is a super-2 number, since 2×12229078563² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12229078513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70270 + ... + 171452.

It is an arithmetic number, because the mean of its divisors is an integer number (793400608).

Almost surely, 2^12229078563 is an apocalyptic number.

12229078563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12229078563 is a deficient number, since it is larger than the sum of its proper divisors (6812536029).

12229078563 is a wasteful number, since it uses less digits than its factorization.

12229078563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102235 (or 102232 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 12229078563 in words is "twelve billion, two hundred twenty-nine million, seventy-eight thousand, five hundred sixty-three".