12340516620 has 48 divisors (see below), whose sum is σ = 34596188928. Its totient is φ = 3286733760.

The previous prime is 12340516607. The next prime is 12340516621. The reversal of 12340516620 is 2661504321.

It is a super-3 number, since 3×12340516620³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12340516621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78144 + ... + 175463.

It is an arithmetic number, because the mean of its divisors is an integer number (720753936).

Almost surely, 2^12340516620 is an apocalyptic number.

12340516620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340516620 is an abundant number, since it is smaller than the sum of its proper divisors (22255672308).

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

12340516620 is a wasteful number, since it uses less digits than its factorization.

12340516620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254430 (or 254428 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 12340516620 in words is "twelve billion, three hundred forty million, five hundred sixteen thousand, six hundred twenty".