10121223432 has 16 divisors (see below), whose sum is σ = 25303058640. Its totient is φ = 3373741136.

The previous prime is 10121223421. The next prime is 10121223461. The reversal of 10121223432 is 23432212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121223399 and 10121223408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210858798 + ... + 210858845.

It is an arithmetic number, because the mean of its divisors is an integer number (1581441165).

Almost surely, 2^10121223432 is an apocalyptic number.

10121223432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121223432 is an abundant number, since it is smaller than the sum of its proper divisors (15181835208).

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

10121223432 is a wasteful number, since it uses less digits than its factorization.

10121223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421717652 (or 421717648 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10121223432 its reverse (23432212101), we get a palindrome (33553435533).

The spelling of 10121223432 in words is "ten billion, one hundred twenty-one million, two hundred twenty-three thousand, four hundred thirty-two".