12402503031340 has 24 divisors (see below), whose sum is σ = 26599410758592. Its totient is φ = 4855447994880.

The previous prime is 12402503031277. The next prime is 12402503031343. The reversal of 12402503031340 is 4313030520421.

It is a happy number.

It is a super-3 number, since 3×12402503031340³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12402503031299 and 12402503031308.

It is not an unprimeable number, because it can be changed into a prime (12402503031343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6597075141 + ... + 6597077020.

It is an arithmetic number, because the mean of its divisors is an integer number (1108308781608).

Almost surely, 2^{12402503031340} is an apocalyptic number.

12402503031340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402503031340 is an abundant number, since it is smaller than the sum of its proper divisors (14196907727252).

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

12402503031340 is a wasteful number, since it uses less digits than its factorization.

12402503031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194152217 (or 13194152215 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12402503031340 its reverse (4313030520421), we get a palindrome (16715533551761).

The spelling of 12402503031340 in words is "twelve trillion, four hundred two billion, five hundred three million, thirty-one thousand, three hundred forty".