12178342954 has 8 divisors (see below), whose sum is σ = 18692340480. Its totient is φ = 5947562796.

The previous prime is 12178342937. The next prime is 12178342991. The reversal of 12178342954 is 45924387121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12178342954² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70804234 + ... + 70804405.

It is an arithmetic number, because the mean of its divisors is an integer number (2336542560).

Almost surely, 2^12178342954 is an apocalyptic number.

12178342954 is a deficient number, since it is larger than the sum of its proper divisors (6513997526).

12178342954 is a wasteful number, since it uses less digits than its factorization.

12178342954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141608684.

The product of its digits is 483840, while the sum is 46.

The spelling of 12178342954 in words is "twelve billion, one hundred seventy-eight million, three hundred forty-two thousand, nine hundred fifty-four".