10120322142 has 64 divisors (see below), whose sum is σ = 25844582400. Its totient is φ = 2875525920.

The previous prime is 10120322131. The next prime is 10120322197. The reversal of 10120322142 is 24122302101.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5542 + ... + 142377.

It is an arithmetic number, because the mean of its divisors is an integer number (403821600).

Almost surely, 2^10120322142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10120322142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12922291200).

10120322142 is an abundant number, since it is smaller than the sum of its proper divisors (15724260258).

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

10120322142 is a wasteful number, since it uses less digits than its factorization.

10120322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148118 (or 148112 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10120322142 its reverse (24122302101), we get a palindrome (34242624243).

The spelling of 10120322142 in words is "ten billion, one hundred twenty million, three hundred twenty-two thousand, one hundred forty-two".