12340100124 has 36 divisors (see below), whose sum is σ = 34028762040. Its totient is φ = 3739424160.

The previous prime is 12340100083. The next prime is 12340100137. The reversal of 12340100124 is 42100104321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12340100097 and 12340100106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15580539 + ... + 15581330.

It is an arithmetic number, because the mean of its divisors is an integer number (945243390).

Almost surely, 2^12340100124 is an apocalyptic number.

It is an amenable number.

12340100124 is an abundant number, since it is smaller than the sum of its proper divisors (21688661916).

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

12340100124 is a wasteful number, since it uses less digits than its factorization.

12340100124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31161890 (or 31161885 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12340100124 its reverse (42100104321), we get a palindrome (54440204445).

The spelling of 12340100124 in words is "twelve billion, three hundred forty million, one hundred thousand, one hundred twenty-four".