10120240242 has 48 divisors (see below), whose sum is σ = 25119581760. Its totient is φ = 2884581216.

The previous prime is 10120240183. The next prime is 10120240243. The reversal of 10120240242 is 24204202101.

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 (10120240243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43053 + ... + 148640.

It is an arithmetic number, because the mean of its divisors is an integer number (523324620).

Almost surely, 2^10120240242 is an apocalyptic number.

10120240242 is an abundant number, since it is smaller than the sum of its proper divisors (14999341518).

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

10120240242 is a wasteful number, since it uses less digits than its factorization.

10120240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192127 (or 192124 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10120240242 its reverse (24204202101), we get a palindrome (34324442343).

The spelling of 10120240242 in words is "ten billion, one hundred twenty million, two hundred forty thousand, two hundred forty-two".