12302139120 has 160 divisors (see below), whose sum is σ = 38884177920. Its totient is φ = 3216844800.

The previous prime is 12302139103. The next prime is 12302139121. The reversal of 12302139120 is 2193120321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302139121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2860812 + ... + 2865108.

It is an arithmetic number, because the mean of its divisors is an integer number (243026112).

Almost surely, 2^12302139120 is an apocalyptic number.

12302139120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12302139120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19442088960).

12302139120 is an abundant number, since it is smaller than the sum of its proper divisors (26582038800).

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

12302139120 is a wasteful number, since it uses less digits than its factorization.

12302139120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12302139120 its reverse (2193120321), we get a palindrome (14495259441).

The spelling of 12302139120 in words is "twelve billion, three hundred two million, one hundred thirty-nine thousand, one hundred twenty".