1214131551005 has 4 divisors (see below), whose sum is σ = 1456957861212. Its totient is φ = 971305240800.

The previous prime is 1214131550959. The next prime is 1214131551013. The reversal of 1214131551005 is 5001551314121.

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 413761557049 + 800369993956 = 643243^2 + 894634^2 .

It is not a de Polignac number, because 1214131551005 - 2²⁴ = 1214114773789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121413155096 + ... + 121413155105.

It is an arithmetic number, because the mean of its divisors is an integer number (364239465303).

Almost surely, 2^{1214131551005} is an apocalyptic number.

It is an amenable number.

1214131551005 is a deficient number, since it is larger than the sum of its proper divisors (242826310207).

1214131551005 is an equidigital number, since it uses as much as digits as its factorization.

1214131551005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242826310206.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 1214131551005 its reverse (5001551314121), we get a palindrome (6215682865126).

The spelling of 1214131551005 in words is "one trillion, two hundred fourteen billion, one hundred thirty-one million, five hundred fifty-one thousand, five".