10500040120 has 32 divisors (see below), whose sum is σ = 23628859920. Its totient is φ = 4199345920.

The previous prime is 10500040049. The next prime is 10500040127. The reversal of 10500040120 is 2104000501.

It is a super-2 number, since 2×10500040120² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10500040120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500040127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 289815 + ... + 324025.

Almost surely, 2^10500040120 is an apocalyptic number.

10500040120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10500040120 is an abundant number, since it is smaller than the sum of its proper divisors (13128819800).

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

10500040120 is a wasteful number, since it uses less digits than its factorization.

10500040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41895 (or 41891 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 10500040120 its reverse (2104000501), we get a palindrome (12604040621).

The spelling of 10500040120 in words is "ten billion, five hundred million, forty thousand, one hundred twenty".