10121240432 has 20 divisors (see below), whose sum is σ = 19942276440. Its totient is φ = 4974846528.

The previous prime is 10121240429. The next prime is 10121240449. The reversal of 10121240432 is 23404212101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5359883 + ... + 5361770.

It is an arithmetic number, because the mean of its divisors is an integer number (997113822).

Almost surely, 2^10121240432 is an apocalyptic number.

It is an amenable number.

10121240432 is a deficient number, since it is larger than the sum of its proper divisors (9821036008).

10121240432 is a wasteful number, since it uses less digits than its factorization.

10121240432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721720 (or 10721714 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10121240432 its reverse (23404212101), we get a palindrome (33525452533).

The spelling of 10121240432 in words is "ten billion, one hundred twenty-one million, two hundred forty thousand, four hundred thirty-two".