2124012431320 has 64 divisors (see below), whose sum is σ = 5146806924000. Its totient is φ = 784226147328.

The previous prime is 2124012431263. The next prime is 2124012431323. The reversal of 2124012431320 is 231342104212.

It is a super-2 number, since 2×2124012431320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124012431323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31050916 + ... + 31119244.

Almost surely, 2^{2124012431320} is an apocalyptic number.

2124012431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124012431320 is an abundant number, since it is smaller than the sum of its proper divisors (3022794492680).

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

2124012431320 is a wasteful number, since it uses less digits than its factorization.

2124012431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128132 (or 128128 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2124012431320 its reverse (231342104212), we get a palindrome (2355354535532).

The spelling of 2124012431320 in words is "two trillion, one hundred twenty-four billion, twelve million, four hundred thirty-one thousand, three hundred twenty".