12400884061 has 4 divisors (see below), whose sum is σ = 12401258112. Its totient is φ = 12400510012.

The previous prime is 12400884043. The next prime is 12400884101. The reversal of 12400884061 is 16048800421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12400884061 - 2⁷ = 12400883933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400884011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131875 + ... + 205408.

It is an arithmetic number, because the mean of its divisors is an integer number (3100314528).

Almost surely, 2^12400884061 is an apocalyptic number.

It is an amenable number.

12400884061 is a deficient number, since it is larger than the sum of its proper divisors (374051).

12400884061 is an equidigital number, since it uses as much as digits as its factorization.

12400884061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374050.

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 12400884061 in words is "twelve billion, four hundred million, eight hundred eighty-four thousand, sixty-one".