1213250023345 has 48 divisors (see below), whose sum is σ = 1548034294464. Its totient is φ = 912512304000.

The previous prime is 1213250023339. The next prime is 1213250023367. The reversal of 1213250023345 is 5433200523121.

It is not a de Polignac number, because 1213250023345 - 2⁵ = 1213250023313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 408362710 + ... + 408365680.

It is an arithmetic number, because the mean of its divisors is an integer number (32250714468).

Almost surely, 2^{1213250023345} is an apocalyptic number.

It is an amenable number.

1213250023345 is a deficient number, since it is larger than the sum of its proper divisors (334784271119).

1213250023345 is a wasteful number, since it uses less digits than its factorization.

1213250023345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614 (or 5591 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 1213250023345 its reverse (5433200523121), we get a palindrome (6646450546466).

The spelling of 1213250023345 in words is "one trillion, two hundred thirteen billion, two hundred fifty million, twenty-three thousand, three hundred forty-five".