121232130030 has 192 divisors, whose sum is σ = 360221924160. Its totient is φ = 28986439680.

The previous prime is 121232130007. The next prime is 121232130049. The reversal of 121232130030 is 30031232121.

121232130030 is a `hidden beast` number, since 1 + 2 + 12 + 321 + 300 + 30 = 666.

It is a super-2 number, since 2×121232130030² (a number of 23 digits) contains 22 as substring.

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 = 121232129985 and 121232130012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2359494 + ... + 2410326.

It is an arithmetic number, because the mean of its divisors is an integer number (1876155855).

Almost surely, 2^121232130030 is an apocalyptic number.

121232130030 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 121232130030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180110962080).

121232130030 is an abundant number, since it is smaller than the sum of its proper divisors (238989794130).

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

121232130030 is a wasteful number, since it uses less digits than its factorization.

121232130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50944 (or 50927 counting only the distinct ones).

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

Adding to 121232130030 its reverse (30031232121), we get a palindrome (151263362151).

The spelling of 121232130030 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred thirty thousand, thirty".