121323102030 has 96 divisors (see below), whose sum is σ = 340381694016. Its totient is φ = 29804631552.

The previous prime is 121323102007. The next prime is 121323102041. The reversal of 121323102030 is 30201323121.

121323102030 is a `hidden beast` number, since 121 + 32 + 310 + 203 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121323101994 and 121323102012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 485434 + ... + 691586.

It is an arithmetic number, because the mean of its divisors is an integer number (3545642646).

Almost surely, 2^121323102030 is an apocalyptic number.

121323102030 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 121323102030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170190847008).

121323102030 is an abundant number, since it is smaller than the sum of its proper divisors (219058591986).

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

121323102030 is a wasteful number, since it uses less digits than its factorization.

121323102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206682 (or 206679 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121323102030 its reverse (30201323121), we get a palindrome (151524425151).

The spelling of 121323102030 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred two thousand, thirty".