12402030400331 has 16 divisors (see below), whose sum is σ = 14690632574688. Its totient is φ = 10407298223520.

The previous prime is 12402030400313. The next prime is 12402030400339. The reversal of 12402030400331 is 13300403020421.

It is a de Polignac number, because none of the positive numbers 2^k-12402030400331 is a prime.

It is a super-2 number, since 2×12402030400331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12402030400297 and 12402030400306.

It is not an unprimeable number, because it can be changed into a prime (12402030400339) 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, 358360736 + ... + 358395341.

It is an arithmetic number, because the mean of its divisors is an integer number (918164535918).

Almost surely, 2^{12402030400331} is an apocalyptic number.

12402030400331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12402030400331 is a deficient number, since it is larger than the sum of its proper divisors (2288602174357).

12402030400331 is an equidigital number, since it uses as much as digits as its factorization.

12402030400331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716756123 (or 716756101 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12402030400331 its reverse (13300403020421), we get a palindrome (25702433420752).

The spelling of 12402030400331 in words is "twelve trillion, four hundred two billion, thirty million, four hundred thousand, three hundred thirty-one".