121230020323329 has 16 divisors (see below), whose sum is σ = 162056784576960. Its totient is φ = 80611637965760.

The previous prime is 121230020323327. The next prime is 121230020323337. The reversal of 121230020323329 is 923323020032121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121230020323329 - 2¹ = 121230020323327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121230020323329.

It is not an unprimeable number, because it can be changed into a prime (121230020323327) 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, 194714734 + ... + 195336344.

It is an arithmetic number, because the mean of its divisors is an integer number (10128549036060).

Almost surely, 2^{121230020323329} is an apocalyptic number.

It is an amenable number.

121230020323329 is a deficient number, since it is larger than the sum of its proper divisors (40826764253631).

121230020323329 is a wasteful number, since it uses less digits than its factorization.

121230020323329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789120.

The product of its (nonzero) digits is 23328, while the sum is 33.

The spelling of 121230020323329 in words is "one hundred twenty-one trillion, two hundred thirty billion, twenty million, three hundred twenty-three thousand, three hundred twenty-nine".