13012322430 has 128 divisors (see below), whose sum is σ = 32763709440. Its totient is φ = 3304350720.

The previous prime is 13012322429. The next prime is 13012322431. The reversal of 13012322430 is 3422321031.

It is an interprime number because it is at equal distance from previous prime (13012322429) and next prime (13012322431).

It is a super-2 number, since 2×13012322430² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13012322397 and 13012322406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012322431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10569915 + ... + 10571145.

It is an arithmetic number, because the mean of its divisors is an integer number (255966480).

Almost surely, 2^13012322430 is an apocalyptic number.

13012322430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13012322430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16381854720).

13012322430 is an abundant number, since it is smaller than the sum of its proper divisors (19751387010).

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

13012322430 is a wasteful number, since it uses less digits than its factorization.

13012322430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13012322430 its reverse (3422321031), we get a palindrome (16434643461).

The spelling of 13012322430 in words is "thirteen billion, twelve million, three hundred twenty-two thousand, four hundred thirty".