12243515026145 has 16 divisors (see below), whose sum is σ = 15824208254400. Its totient is φ = 9040325168064.

The previous prime is 12243515026139. The next prime is 12243515026157. The reversal of 12243515026145 is 54162051534221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12243515026145 - 2⁶ = 12243515026081 is a prime.

It is a super-2 number, since 2×12243515026145² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10261199 + ... + 11392068.

It is an arithmetic number, because the mean of its divisors is an integer number (989013015900).

Almost surely, 2^{12243515026145} is an apocalyptic number.

It is an amenable number.

12243515026145 is a deficient number, since it is larger than the sum of its proper divisors (3580693228255).

12243515026145 is a wasteful number, since it uses less digits than its factorization.

12243515026145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661984.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 12243515026145 in words is "twelve trillion, two hundred forty-three billion, five hundred fifteen million, twenty-six thousand, one hundred forty-five".