121232003223210 has 384 divisors, whose sum is σ = 338471618284800. Its totient is φ = 27768962833920.

The previous prime is 121232003223179. The next prime is 121232003223211. The reversal of 121232003223210 is 12322300232121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121232003223211) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9685381872 + ... + 9685394388.

It is an arithmetic number, because the mean of its divisors is an integer number (881436505950).

Almost surely, 2^{121232003223210} is an apocalyptic number.

121232003223210 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 121232003223210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169235809142400).

121232003223210 is an abundant number, since it is smaller than the sum of its proper divisors (217239615061590).

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

121232003223210 is a wasteful number, since it uses less digits than its factorization.

121232003223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995 (or 12946 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121232003223210 its reverse (12322300232121), we get a palindrome (133554303455331).

The spelling of 121232003223210 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, three million, two hundred twenty-three thousand, two hundred ten".