121212333001 has 8 divisors (see below), whose sum is σ = 122396543360. Its totient is φ = 120028264992.

The previous prime is 121212332993. The next prime is 121212333079. The reversal of 121212333001 is 100333212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121212333001 - 2³ = 121212332993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121212333001.

It is not an unprimeable number, because it can be changed into a prime (121212033001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2682685 + ... + 2727493.

It is an arithmetic number, because the mean of its divisors is an integer number (15299567920).

Almost surely, 2^121212333001 is an apocalyptic number.

It is an amenable number.

121212333001 is a deficient number, since it is larger than the sum of its proper divisors (1184210359).

121212333001 is a wasteful number, since it uses less digits than its factorization.

121212333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71175.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121212333001 its reverse (100333212121), we get a palindrome (221545545122).

The spelling of 121212333001 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred thirty-three thousand, one".