12340402011 has 36 divisors (see below), whose sum is σ = 20745925200. Its totient is φ = 7048022688.

The previous prime is 12340402003. The next prime is 12340402027. The reversal of 12340402011 is 11020404321.

It is not a de Polignac number, because 12340402011 - 2³ = 12340402003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12340402031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1012210 + ... + 1024328.

It is an arithmetic number, because the mean of its divisors is an integer number (576275700).

Almost surely, 2^12340402011 is an apocalyptic number.

12340402011 is a deficient number, since it is larger than the sum of its proper divisors (8405523189).

12340402011 is a wasteful number, since it uses less digits than its factorization.

12340402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448 (or 14438 counting only the distinct ones).

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

Adding to 12340402011 its reverse (11020404321), we get a palindrome (23360806332).

The spelling of 12340402011 in words is "twelve billion, three hundred forty million, four hundred two thousand, eleven".