121001030323230 has 128 divisors (see below), whose sum is σ = 313158568504320. Its totient is φ = 29821581941760.

The previous prime is 121001030323009. The next prime is 121001030323231. The reversal of 121001030323230 is 32323030100121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121001030323197 and 121001030323206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001030323231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 498056847 + ... + 498299733.

It is an arithmetic number, because the mean of its divisors is an integer number (2446551316440).

Almost surely, 2^{121001030323230} is an apocalyptic number.

121001030323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121001030323230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156579284252160).

121001030323230 is an abundant number, since it is smaller than the sum of its proper divisors (192157538181090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121001030323230 is a wasteful number, since it uses less digits than its factorization.

121001030323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264274.

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

Adding to 121001030323230 its reverse (32323030100121), we get a palindrome (153324060423351).

The spelling of 121001030323230 in words is "one hundred twenty-one trillion, one billion, thirty million, three hundred twenty-three thousand, two hundred thirty".