121232203230 has 32 divisors (see below), whose sum is σ = 291564748800. Its totient is φ = 32261091872.

The previous prime is 121232203217. The next prime is 121232203231. The reversal of 121232203230 is 32302232121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121232203197 and 121232203206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232203231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203870 + ... + 4232609.

It is an arithmetic number, because the mean of its divisors is an integer number (9111398400).

Almost surely, 2^121232203230 is an apocalyptic number.

121232203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121232203230 is an abundant number, since it is smaller than the sum of its proper divisors (170332545570).

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

121232203230 is a wasteful number, since it uses less digits than its factorization.

121232203230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436968.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121232203230 its reverse (32302232121), we get a palindrome (153534435351).

The spelling of 121232203230 in words is "one hundred twenty-one billion, two hundred thirty-two million, two hundred three thousand, two hundred thirty".