12302302140 has 96 divisors (see below), whose sum is σ = 38438487360. Its totient is φ = 3266500608.

The previous prime is 12302302099. The next prime is 12302302171. The reversal of 12302302140 is 4120320321.

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, 76932 + ... + 174708.

It is an arithmetic number, because the mean of its divisors is an integer number (400400910).

Almost surely, 2^12302302140 is an apocalyptic number.

12302302140 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 12302302140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19219243680).

12302302140 is an abundant number, since it is smaller than the sum of its proper divisors (26136185220).

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

12302302140 is a wasteful number, since it uses less digits than its factorization.

12302302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98028 (or 98020 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12302302140 its reverse (4120320321), we get a palindrome (16422622461).

The spelling of 12302302140 in words is "twelve billion, three hundred two million, three hundred two thousand, one hundred forty".