121212102130333 has 4 divisors (see below), whose sum is σ = 126482193527328. Its totient is φ = 115942010733340.

The previous prime is 121212102130319. The next prime is 121212102130337. The reversal of 121212102130333 is 333031201212121.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121212102130333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121212102130298 and 121212102130307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212102130337) 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, 2635045698463 + ... + 2635045698508.

It is an arithmetic number, because the mean of its divisors is an integer number (31620548381832).

Almost surely, 2^{121212102130333} is an apocalyptic number.

It is an amenable number.

121212102130333 is a deficient number, since it is larger than the sum of its proper divisors (5270091396995).

121212102130333 is an equidigital number, since it uses as much as digits as its factorization.

121212102130333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270091396994.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121212102130333 its reverse (333031201212121), we get a palindrome (454243303342454).

The spelling of 121212102130333 in words is "one hundred twenty-one trillion, two hundred twelve billion, one hundred two million, one hundred thirty thousand, three hundred thirty-three".