12051023210455 has 16 divisors (see below), whose sum is σ = 14519046842784. Its totient is φ = 9602304122880.

The previous prime is 12051023210371. The next prime is 12051023210503. The reversal of 12051023210455 is 55401232015021.

It is a de Polignac number, because none of the positive numbers 2^k-12051023210455 is a prime.

It is a congruent number.

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, 1087287 + ... + 5028343.

It is an arithmetic number, because the mean of its divisors is an integer number (907440427674).

Almost surely, 2^{12051023210455} is an apocalyptic number.

12051023210455 is a deficient number, since it is larger than the sum of its proper divisors (2468023632329).

12051023210455 is a wasteful number, since it uses less digits than its factorization.

12051023210455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943506.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 12051023210455 its reverse (55401232015021), we get a palindrome (67452255225476).

The spelling of 12051023210455 in words is "twelve trillion, fifty-one billion, twenty-three million, two hundred ten thousand, four hundred fifty-five".