121213000030323 has 16 divisors (see below), whose sum is σ = 169875153340416. Its totient is φ = 76731047511360.

The previous prime is 121213000030247. The next prime is 121213000030327. The reversal of 121213000030323 is 323030000312121.

It is not a de Polignac number, because 121213000030323 - 2⁹ = 121213000029811 is a prime.

It is a super-3 number, since 3×121213000030323³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121213000030323.

It is not an unprimeable number, because it can be changed into a prime (121213000030327) 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, 6411341443 + ... + 6411360348.

It is an arithmetic number, because the mean of its divisors is an integer number (10617197083776).

Almost surely, 2^{121213000030323} is an apocalyptic number.

121213000030323 is a deficient number, since it is larger than the sum of its proper divisors (48662153310093).

121213000030323 is a wasteful number, since it uses less digits than its factorization.

121213000030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822701954.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121213000030323 its reverse (323030000312121), we get a palindrome (444243000342444).

The spelling of 121213000030323 in words is "one hundred twenty-one trillion, two hundred thirteen billion, thirty thousand, three hundred twenty-three".