12244140205240 has 32 divisors (see below), whose sum is σ = 27553822688880. Its totient is φ = 4896854797312.

The previous prime is 12244140205147. The next prime is 12244140205249. The reversal of 12244140205240 is 4250204144221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244140205249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24792574 + ... + 25281613.

Almost surely, 2^{12244140205240} is an apocalyptic number.

12244140205240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12244140205240 is an abundant number, since it is smaller than the sum of its proper divisors (15309682483640).

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

12244140205240 is a wasteful number, since it uses less digits than its factorization.

12244140205240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50080311 (or 50080307 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 12244140205240 its reverse (4250204144221), we get a palindrome (16494344349461).

The spelling of 12244140205240 in words is "twelve trillion, two hundred forty-four billion, one hundred forty million, two hundred five thousand, two hundred forty".