12340617762 has 64 divisors (see below), whose sum is σ = 28532736000. Its totient is φ = 3518930880.

The previous prime is 12340617761. The next prime is 12340617811. The reversal of 12340617762 is 26771604321.

It is a self number, because there is not a number n which added to its sum of digits gives 12340617762.

It is not an unprimeable number, because it can be changed into a prime (12340617761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153823 + ... + 219869.

It is an arithmetic number, because the mean of its divisors is an integer number (445824000).

Almost surely, 2^12340617762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340617762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14266368000).

12340617762 is an abundant number, since it is smaller than the sum of its proper divisors (16192118238).

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

12340617762 is a wasteful number, since it uses less digits than its factorization.

12340617762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66231.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 12340617762 in words is "twelve billion, three hundred forty million, six hundred seventeen thousand, seven hundred sixty-two".