12400212041 has 16 divisors (see below), whose sum is σ = 14920905600. Its totient is φ = 10067079168.

The previous prime is 12400212031. The next prime is 12400212047. The reversal of 12400212041 is 14021200421.

It is a de Polignac number, because none of the positive numbers 2^k-12400212041 is a prime.

It is a super-2 number, since 2×12400212041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12400212047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842441 + ... + 857033.

It is an arithmetic number, because the mean of its divisors is an integer number (932556600).

Almost surely, 2^12400212041 is an apocalyptic number.

It is an amenable number.

12400212041 is a deficient number, since it is larger than the sum of its proper divisors (2520693559).

12400212041 is a wasteful number, since it uses less digits than its factorization.

12400212041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21008.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12400212041 its reverse (14021200421), we get a palindrome (26421412462).

The spelling of 12400212041 in words is "twelve billion, four hundred million, two hundred twelve thousand, forty-one".