12254023455145 has 32 divisors (see below), whose sum is σ = 14840221818240. Its totient is φ = 9713399224320.

The previous prime is 12254023455143. The next prime is 12254023455209. The reversal of 12254023455145 is 54155432045221.

It is not a de Polignac number, because 12254023455145 - 2¹ = 12254023455143 is a prime.

It is a super-2 number, since 2×12254023455145² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12254023455143) 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, 402191202 + ... + 402221668.

It is an arithmetic number, because the mean of its divisors is an integer number (463756931820).

Almost surely, 2^{12254023455145} is an apocalyptic number.

It is an amenable number.

12254023455145 is a deficient number, since it is larger than the sum of its proper divisors (2586198363095).

12254023455145 is a wasteful number, since it uses less digits than its factorization.

12254023455145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32265.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 12254023455145 in words is "twelve trillion, two hundred fifty-four billion, twenty-three million, four hundred fifty-five thousand, one hundred forty-five".