121030230030 has 64 divisors (see below), whose sum is σ = 297663545088. Its totient is φ = 31476291840.

The previous prime is 121030230011. The next prime is 121030230043. The reversal of 121030230030 is 30032030121.

It is a super-2 number, since 2×121030230030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 121030229991 and 121030230009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3756369 + ... + 3788451.

It is an arithmetic number, because the mean of its divisors is an integer number (4650992892).

Almost surely, 2^121030230030 is an apocalyptic number.

121030230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030230030 is an abundant number, since it is smaller than the sum of its proper divisors (176633315058).

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

121030230030 is a wasteful number, since it uses less digits than its factorization.

121030230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35201.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 121030230030 its reverse (30032030121), we get a palindrome (151062260151).

The spelling of 121030230030 in words is "one hundred twenty-one billion, thirty million, two hundred thirty thousand, thirty".