121344432210 has 160 divisors (see below), whose sum is σ = 337924680192. Its totient is φ = 31223283840.

The previous prime is 121344432173. The next prime is 121344432227. The reversal of 121344432210 is 12234443121.

121344432210 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 4 + 443 + 2 + 210 = 666.

121344432210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2680524 + ... + 2725416.

Almost surely, 2^121344432210 is an apocalyptic number.

121344432210 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 121344432210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168962340096).

121344432210 is an abundant number, since it is smaller than the sum of its proper divisors (216580247982).

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

121344432210 is a wasteful number, since it uses less digits than its factorization.

121344432210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45030 (or 45021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 121344432210 its reverse (12234443121), we get a palindrome (133578875331).

The spelling of 121344432210 in words is "one hundred twenty-one billion, three hundred forty-four million, four hundred thirty-two thousand, two hundred ten".