12193426340 has 24 divisors (see below), whose sum is σ = 25854803520. Its totient is φ = 4830016608.

The previous prime is 12193426327. The next prime is 12193426367. The reversal of 12193426340 is 4362439121.

It is a self number, because there is not a number n which added to its sum of digits gives 12193426340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2957510 + ... + 2961629.

It is an arithmetic number, because the mean of its divisors is an integer number (1077283480).

Almost surely, 2^12193426340 is an apocalyptic number.

12193426340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12193426340 is an abundant number, since it is smaller than the sum of its proper divisors (13661377180).

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

12193426340 is a wasteful number, since it uses less digits than its factorization.

12193426340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919251 (or 5919249 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 12193426340 in words is "twelve billion, one hundred ninety-three million, four hundred twenty-six thousand, three hundred forty".