12005055251454 has 32 divisors (see below), whose sum is σ = 24659441241120. Its totient is φ = 3893466880512.

The previous prime is 12005055251353. The next prime is 12005055251459. The reversal of 12005055251454 is 45415255050021.

It is a happy number.

It is a super-2 number, since 2×12005055251454² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005055251459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14021562 + ... + 14853090.

It is an arithmetic number, because the mean of its divisors is an integer number (770607538785).

Almost surely, 2^{12005055251454} is an apocalyptic number.

12005055251454 is an abundant number, since it is smaller than the sum of its proper divisors (12654385989666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12005055251454 is a wasteful number, since it uses less digits than its factorization.

12005055251454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896604.

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 12005055251454 in words is "twelve trillion, five billion, fifty-five million, two hundred fifty-one thousand, four hundred fifty-four".