10120125042 has 32 divisors (see below), whose sum is σ = 22721025600. Its totient is φ = 3338596224.

The previous prime is 10120125013. The next prime is 10120125047. The reversal of 10120125042 is 24052102101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10120125047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960792 + ... + 971267.

It is an arithmetic number, because the mean of its divisors is an integer number (710032050).

Almost surely, 2^10120125042 is an apocalyptic number.

10120125042 is an abundant number, since it is smaller than the sum of its proper divisors (12600900558).

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

10120125042 is a wasteful number, since it uses less digits than its factorization.

10120125042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932167 (or 1932161 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 10120125042 its reverse (24052102101), we get a palindrome (34172227143).

The spelling of 10120125042 in words is "ten billion, one hundred twenty million, one hundred twenty-five thousand, forty-two".