121212302310001 has 4 divisors (see below), whose sum is σ = 138528345497152. Its totient is φ = 103896259122852.

The previous prime is 121212302309993. The next prime is 121212302310013. The reversal of 121212302310001 is 100013203212121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121212302310001 - 2³ = 121212302309993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121212302310031) 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, 8658021593565 + ... + 8658021593578.

It is an arithmetic number, because the mean of its divisors is an integer number (34632086374288).

Almost surely, 2^{121212302310001} is an apocalyptic number.

It is an amenable number.

121212302310001 is a deficient number, since it is larger than the sum of its proper divisors (17316043187151).

121212302310001 is an equidigital number, since it uses as much as digits as its factorization.

121212302310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17316043187150.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121212302310001 its reverse (100013203212121), we get a palindrome (221225505522122).

The spelling of 121212302310001 in words is "one hundred twenty-one trillion, two hundred twelve billion, three hundred two million, three hundred ten thousand, one".