121213033230 has 128 divisors (see below), whose sum is σ = 299857282560. Its totient is φ = 31348961280.

The previous prime is 121213033147. The next prime is 121213033241. The reversal of 121213033230 is 32330312121.

121213033230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121213033197 and 121213033206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32416701 + ... + 32420439.

It is an arithmetic number, because the mean of its divisors is an integer number (2342635020).

Almost surely, 2^121213033230 is an apocalyptic number.

121213033230 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 121213033230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149928641280).

121213033230 is an abundant number, since it is smaller than the sum of its proper divisors (178644249330).

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

121213033230 is a wasteful number, since it uses less digits than its factorization.

121213033230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

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

Adding to 121213033230 its reverse (32330312121), we get a palindrome (153543345351).

The spelling of 121213033230 in words is "one hundred twenty-one billion, two hundred thirteen million, thirty-three thousand, two hundred thirty".