12255671730 has 32 divisors (see below), whose sum is σ = 30427876800. Its totient is φ = 3155483072.

The previous prime is 12255671723. The next prime is 12255671737. The reversal of 12255671730 is 3717655221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12255671723) and next prime (12255671737).

It is not an unprimeable number, because it can be changed into a prime (12255671737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7042620 + ... + 7044359.

It is an arithmetic number, because the mean of its divisors is an integer number (950871150).

Almost surely, 2^12255671730 is an apocalyptic number.

12255671730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12255671730 is an abundant number, since it is smaller than the sum of its proper divisors (18172205070).

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

12255671730 is a wasteful number, since it uses less digits than its factorization.

12255671730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14087018.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 12255671730 in words is "twelve billion, two hundred fifty-five million, six hundred seventy-one thousand, seven hundred thirty".