121322111232 has 144 divisors (see below), whose sum is σ = 369304033280. Its totient is φ = 34636916736.

The previous prime is 121322111231. The next prime is 121322111293. The reversal of 121322111232 is 232111223121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121322111199 and 121322111208.

It is not an unprimeable number, because it can be changed into a prime (121322111231) 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, 7642119 + ... + 7657977.

Almost surely, 2^121322111232 is an apocalyptic number.

121322111232 is a gapful number since it is divisible by the number (12) 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 121322111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184652016640).

121322111232 is an abundant number, since it is smaller than the sum of its proper divisors (247981922048).

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

121322111232 is a wasteful number, since it uses less digits than its factorization.

121322111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17308 (or 17294 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 121322111232 its reverse (232111223121), we get a palindrome (353433334353).

The spelling of 121322111232 in words is "one hundred twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, two hundred thirty-two".