103121203432 has 64 divisors (see below), whose sum is σ = 217854000000. Its totient is φ = 45404561664.

The previous prime is 103121203411. The next prime is 103121203439. The reversal of 103121203432 is 234302121301.

103121203432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (103121203439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849694 + ... + 963442.

It is an arithmetic number, because the mean of its divisors is an integer number (3403968750).

Almost surely, 2^103121203432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103121203432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108927000000).

103121203432 is an abundant number, since it is smaller than the sum of its proper divisors (114732796568).

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

103121203432 is a wasteful number, since it uses less digits than its factorization.

103121203432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114170 (or 114166 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 103121203432 its reverse (234302121301), we get a palindrome (337423324733).

The spelling of 103121203432 in words is "one hundred three billion, one hundred twenty-one million, two hundred three thousand, four hundred thirty-two".