12243402121403 has 16 divisors (see below), whose sum is σ = 12896194590720. Its totient is φ = 11591451560736.

The previous prime is 12243402121397. The next prime is 12243402121409. The reversal of 12243402121403 is 30412120434221.

It is an interprime number because it is at equal distance from previous prime (12243402121397) and next prime (12243402121409).

It is a cyclic number.

It is not a de Polignac number, because 12243402121403 - 2⁶ = 12243402121339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12243402121409) 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, 373292201 + ... + 373324997.

It is an arithmetic number, because the mean of its divisors is an integer number (806012161920).

Almost surely, 2^{12243402121403} is an apocalyptic number.

12243402121403 is a deficient number, since it is larger than the sum of its proper divisors (652792469317).

12243402121403 is a wasteful number, since it uses less digits than its factorization.

12243402121403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45026.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12243402121403 its reverse (30412120434221), we get a palindrome (42655522555624).

The spelling of 12243402121403 in words is "twelve trillion, two hundred forty-three billion, four hundred two million, one hundred twenty-one thousand, four hundred three".