12131244102340 has 48 divisors (see below), whose sum is σ = 27837819926784. Its totient is φ = 4404021408000.

The previous prime is 12131244102317. The next prime is 12131244102371. The reversal of 12131244102340 is 4320144213121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12131244102299 and 12131244102308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45743004 + ... + 46007443.

It is an arithmetic number, because the mean of its divisors is an integer number (579954581808).

Almost surely, 2^{12131244102340} is an apocalyptic number.

12131244102340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131244102340 is an abundant number, since it is smaller than the sum of its proper divisors (15706575824444).

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

12131244102340 is a wasteful number, since it uses less digits than its factorization.

12131244102340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91751068 (or 91751066 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12131244102340 its reverse (4320144213121), we get a palindrome (16451388315461).

The spelling of 12131244102340 in words is "twelve trillion, one hundred thirty-one billion, two hundred forty-four million, one hundred two thousand, three hundred forty".