12180786350 has 24 divisors (see below), whose sum is σ = 23208858288. Its totient is φ = 4753476800.

The previous prime is 12180786347. The next prime is 12180786367. The reversal of 12180786350 is 5368708121.

It is a super-2 number, since 2×12180786350² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12180786298 and 12180786307.

It is a congruent number.

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, 2968874 + ... + 2972973.

It is an arithmetic number, because the mean of its divisors is an integer number (967035762).

Almost surely, 2^12180786350 is an apocalyptic number.

12180786350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12180786350 is a deficient number, since it is larger than the sum of its proper divisors (11028071938).

12180786350 is a wasteful number, since it uses less digits than its factorization.

12180786350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941900 (or 5941895 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 12180786350 in words is "twelve billion, one hundred eighty million, seven hundred eighty-six thousand, three hundred fifty".