12618154340 has 24 divisors (see below), whose sum is σ = 28907044992. Its totient is φ = 4588419680.

The previous prime is 12618154333. The next prime is 12618154349. The reversal of 12618154340 is 4345181621.

It is a self number, because there is not a number n which added to its sum of digits gives 12618154340.

It is not an unprimeable number, because it can be changed into a prime (12618154349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28677404 + ... + 28677843.

It is an arithmetic number, because the mean of its divisors is an integer number (1204460208).

Almost surely, 2^12618154340 is an apocalyptic number.

12618154340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12618154340 is an abundant number, since it is smaller than the sum of its proper divisors (16288890652).

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

12618154340 is a wasteful number, since it uses less digits than its factorization.

12618154340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57355267 (or 57355265 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 12618154340 in words is "twelve billion, six hundred eighteen million, one hundred fifty-four thousand, three hundred forty".