121212301333 has 16 divisors (see below), whose sum is σ = 128804955840. Its totient is φ = 113744217600.

The previous prime is 121212301297. The next prime is 121212301339. The reversal of 121212301333 is 333103212121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121212301333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212301339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301541 + ... + 1391557.

It is an arithmetic number, because the mean of its divisors is an integer number (8050309740).

Almost surely, 2^121212301333 is an apocalyptic number.

It is an amenable number.

121212301333 is a deficient number, since it is larger than the sum of its proper divisors (7592654507).

121212301333 is a wasteful number, since it uses less digits than its factorization.

121212301333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90708.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121212301333 its reverse (333103212121), we get a palindrome (454315513454).

The spelling of 121212301333 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred one thousand, three hundred thirty-three".