12340213100 has 144 divisors (see below), whose sum is σ = 29088554880. Its totient is φ = 4528742400.

The previous prime is 12340213097. The next prime is 12340213103. The reversal of 12340213100 is 131204321.

It is an interprime number because it is at equal distance from previous prime (12340213097) and next prime (12340213103).

It is a super-2 number, since 2×12340213100² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12340213103) 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 47 ways as a sum of consecutive naturals, for example, 10702124 + ... + 10703276.

Almost surely, 2^12340213100 is an apocalyptic number.

12340213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14544277440).

12340213100 is an abundant number, since it is smaller than the sum of its proper divisors (16748341780).

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

12340213100 is a wasteful number, since it uses less digits than its factorization.

12340213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12340213100 its reverse (131204321), we get a palindrome (12471417421).

The spelling of 12340213100 in words is "twelve billion, three hundred forty million, two hundred thirteen thousand, one hundred".