1214522042005 has 4 divisors (see below), whose sum is σ = 1457426450412. Its totient is φ = 971617633600.

The previous prime is 1214522041913. The next prime is 1214522042009. The reversal of 1214522042005 is 5002402254121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184912040196 + 1029610001809 = 430014^2 + 1014697^2 .

It is not a de Polignac number, because 1214522042005 - 2⁷ = 1214522041877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214522042009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121452204196 + ... + 121452204205.

It is an arithmetic number, because the mean of its divisors is an integer number (364356612603).

Almost surely, 2^{1214522042005} is an apocalyptic number.

It is an amenable number.

1214522042005 is a deficient number, since it is larger than the sum of its proper divisors (242904408407).

1214522042005 is an equidigital number, since it uses as much as digits as its factorization.

1214522042005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242904408406.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 1214522042005 its reverse (5002402254121), we get a palindrome (6216924296126).

The spelling of 1214522042005 in words is "one trillion, two hundred fourteen billion, five hundred twenty-two million, forty-two thousand, five".