12251541064546 has 16 divisors (see below), whose sum is σ = 21048200712000. Its totient is φ = 5239270734480.

The previous prime is 12251541064519. The next prime is 12251541064549. The reversal of 12251541064546 is 64546014515221.

It is a super-2 number, since 2×12251541064546² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12251541064496 and 12251541064505.

It is not an unprimeable number, because it can be changed into a prime (12251541064549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949136796 + ... + 949149703.

It is an arithmetic number, because the mean of its divisors is an integer number (1315512544500).

Almost surely, 2^{12251541064546} is an apocalyptic number.

12251541064546 is a deficient number, since it is larger than the sum of its proper divisors (8796659647454).

12251541064546 is a wasteful number, since it uses less digits than its factorization.

12251541064546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898286969.

The product of its (nonzero) digits is 1152000, while the sum is 46.

Adding to 12251541064546 its reverse (64546014515221), we get a palindrome (76797555579767).

The spelling of 12251541064546 in words is "twelve trillion, two hundred fifty-one billion, five hundred forty-one million, sixty-four thousand, five hundred forty-six".