13012004110340 has 24 divisors (see below), whose sum is σ = 27326010710040. Its totient is φ = 5204648867328.

The previous prime is 13012004110333. The next prime is 13012004110349. The reversal of 13012004110340 is 4301140021031.

It can be written as a sum of positive squares in 4 ways, for example, as 2340649086724 + 10671355023616 = 1529918^2 + 3266704^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13012004110349) 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, 8848907 + ... + 10214066.

It is an arithmetic number, because the mean of its divisors is an integer number (1138583779585).

Almost surely, 2^{13012004110340} is an apocalyptic number.

13012004110340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012004110340 is an abundant number, since it is smaller than the sum of its proper divisors (14314006599700).

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

13012004110340 is a wasteful number, since it uses less digits than its factorization.

13012004110340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097111 (or 19097109 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13012004110340 its reverse (4301140021031), we get a palindrome (17313144131371).

The spelling of 13012004110340 in words is "thirteen trillion, twelve billion, four million, one hundred ten thousand, three hundred forty".