121414215005 has 4 divisors (see below), whose sum is σ = 145697058012. Its totient is φ = 97131372000.

The previous prime is 121414214981. The next prime is 121414215019. The reversal of 121414215005 is 500512414121.

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 91236618916 + 30177596089 = 302054^2 + 173717^2 .

It is not a de Polignac number, because 121414215005 - 2⁸ = 121414214749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12141421496 + ... + 12141421505.

It is an arithmetic number, because the mean of its divisors is an integer number (36424264503).

Almost surely, 2^121414215005 is an apocalyptic number.

It is an amenable number.

121414215005 is a deficient number, since it is larger than the sum of its proper divisors (24282843007).

121414215005 is an equidigital number, since it uses as much as digits as its factorization.

121414215005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24282843006.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 121414215005 its reverse (500512414121), we get a palindrome (621926629126).

The spelling of 121414215005 in words is "one hundred twenty-one billion, four hundred fourteen million, two hundred fifteen thousand, five".