12180978470 has 32 divisors (see below), whose sum is σ = 23133206880. Its totient is φ = 4605258240.

The previous prime is 12180978463. The next prime is 12180978473. The reversal of 12180978470 is 7487908121.

It is a happy number.

It is a super-4 number, since 4×12180978470⁴ (a number of 41 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180978473) 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, 8240 + ... + 156300.

It is an arithmetic number, because the mean of its divisors is an integer number (722912715).

Almost surely, 2^12180978470 is an apocalyptic number.

12180978470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12180978470 is a deficient number, since it is larger than the sum of its proper divisors (10952228410).

12180978470 is a wasteful number, since it uses less digits than its factorization.

12180978470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148520.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 12180978470 in words is "twelve billion, one hundred eighty million, nine hundred seventy-eight thousand, four hundred seventy".