12245121303023 has 32 divisors (see below), whose sum is σ = 15484822493184. Its totient is φ = 9443395164672.

The previous prime is 12245121302987. The next prime is 12245121303029. The reversal of 12245121303023 is 32030312154221.

It is not a de Polignac number, because 12245121303023 - 2¹⁴ = 12245121286639 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 (12245121303029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25217240 + ... + 25698237.

It is an arithmetic number, because the mean of its divisors is an integer number (483900702912).

Almost surely, 2^{12245121303023} is an apocalyptic number.

12245121303023 is a deficient number, since it is larger than the sum of its proper divisors (3239701190161).

12245121303023 is a wasteful number, since it uses less digits than its factorization.

12245121303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50915591.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 12245121303023 its reverse (32030312154221), we get a palindrome (44275433457244).

The spelling of 12245121303023 in words is "twelve trillion, two hundred forty-five billion, one hundred twenty-one million, three hundred three thousand, twenty-three".