12151210450345 has 16 divisors (see below), whose sum is σ = 14597638378560. Its totient is φ = 9710178917824.

The previous prime is 12151210450331. The next prime is 12151210450499. The reversal of 12151210450345 is 54305401215121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12151210450345 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12151210450345.

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, 104173266 + ... + 104289844.

It is an arithmetic number, because the mean of its divisors is an integer number (912352398660).

Almost surely, 2^{12151210450345} is an apocalyptic number.

It is an amenable number.

12151210450345 is a deficient number, since it is larger than the sum of its proper divisors (2446427928215).

12151210450345 is a wasteful number, since it uses less digits than its factorization.

12151210450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139544.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 12151210450345 its reverse (54305401215121), we get a palindrome (66456611665466).

The spelling of 12151210450345 in words is "twelve trillion, one hundred fifty-one billion, two hundred ten million, four hundred fifty thousand, three hundred forty-five".