12352140020 has 24 divisors (see below), whose sum is σ = 28297630368. Its totient is φ = 4491687200.

The previous prime is 12352140001. The next prime is 12352140023. The reversal of 12352140020 is 2004125321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12352139974 and 12352140001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352140023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28072826 + ... + 28073265.

It is an arithmetic number, because the mean of its divisors is an integer number (1179067932).

Almost surely, 2^12352140020 is an apocalyptic number.

12352140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12352140020 is an abundant number, since it is smaller than the sum of its proper divisors (15945490348).

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

12352140020 is a wasteful number, since it uses less digits than its factorization.

12352140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56146111 (or 56146109 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12352140020 its reverse (2004125321), we get a palindrome (14356265341).

The spelling of 12352140020 in words is "twelve billion, three hundred fifty-two million, one hundred forty thousand, twenty".