12440342202 has 16 divisors (see below), whose sum is σ = 24881999040. Its totient is φ = 4146561632.

The previous prime is 12440342197. The next prime is 12440342209. The reversal of 12440342202 is 20224304421.

It is a super-2 number, since 2×12440342202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12440342209) 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, 103363 + ... + 188585.

It is an arithmetic number, because the mean of its divisors is an integer number (1555124940).

Almost surely, 2^12440342202 is an apocalyptic number.

12440342202 is an abundant number, since it is smaller than the sum of its proper divisors (12441656838).

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

12440342202 is a wasteful number, since it uses less digits than its factorization.

12440342202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109557.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12440342202 its reverse (20224304421), we get a palindrome (32664646623).

The spelling of 12440342202 in words is "twelve billion, four hundred forty million, three hundred forty-two thousand, two hundred two".