12104543650 has 24 divisors (see below), whose sum is σ = 23240726784. Its totient is φ = 4685629200.

The previous prime is 12104543629. The next prime is 12104543669. The reversal of 12104543650 is 5634540121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3903142 + ... + 3906241.

It is an arithmetic number, because the mean of its divisors is an integer number (968363616).

Almost surely, 2^12104543650 is an apocalyptic number.

12104543650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12104543650 is a deficient number, since it is larger than the sum of its proper divisors (11136183134).

12104543650 is a wasteful number, since it uses less digits than its factorization.

12104543650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809426 (or 7809421 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 12104543650 in words is "twelve billion, one hundred four million, five hundred forty-three thousand, six hundred fifty".