121232102213320 has 128 divisors (see below), whose sum is σ = 313181731779840. Its totient is φ = 41373183836160.

The previous prime is 121232102213297. The next prime is 121232102213323. The reversal of 121232102213320 is 23312201232121.

It is not an unprimeable number, because it can be changed into a prime (121232102213323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142160119 + ... + 143010361.

It is an arithmetic number, because the mean of its divisors is an integer number (2446732279530).

Almost surely, 2^{121232102213320} is an apocalyptic number.

121232102213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121232102213320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156590865889920).

121232102213320 is an abundant number, since it is smaller than the sum of its proper divisors (191949629566520).

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

121232102213320 is a wasteful number, since it uses less digits than its factorization.

121232102213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852615 (or 852611 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121232102213320 its reverse (23312201232121), we get a palindrome (144544303445441).

The spelling of 121232102213320 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, one hundred two million, two hundred thirteen thousand, three hundred twenty".