12400223241 has 16 divisors (see below), whose sum is σ = 19090381184. Its totient is φ = 7012790784.

The previous prime is 12400223191. The next prime is 12400223263. The reversal of 12400223241 is 14232200421.

It is not a de Polignac number, because 12400223241 - 2⁹ = 12400222729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12400223041) 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, 3041710 + ... + 3045783.

It is an arithmetic number, because the mean of its divisors is an integer number (1193148824).

Almost surely, 2^12400223241 is an apocalyptic number.

It is an amenable number.

12400223241 is a deficient number, since it is larger than the sum of its proper divisors (6690157943).

12400223241 is an equidigital number, since it uses as much as digits as its factorization.

12400223241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087600.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12400223241 its reverse (14232200421), we get a palindrome (26632423662).

It can be divided in two parts, 12400 and 223241, that added together give a triangular number (235641 = T₆₈₆).

The spelling of 12400223241 in words is "twelve billion, four hundred million, two hundred twenty-three thousand, two hundred forty-one".