12312340401420 has 96 divisors (see below), whose sum is σ = 38305944196800. Its totient is φ = 3283214902272.

The previous prime is 12312340401419. The next prime is 12312340401421. The reversal of 12312340401420 is 2410404321321.

12312340401420 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 234 + 0 + 4 + 0 + 1 + 420 = 666.

It is an interprime number because it is at equal distance from previous prime (12312340401419) and next prime (12312340401421).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12312340401421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25447602 + ... + 25926918.

It is an arithmetic number, because the mean of its divisors is an integer number (399020252050).

Almost surely, 2^{12312340401420} is an apocalyptic number.

12312340401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312340401420 is an abundant number, since it is smaller than the sum of its proper divisors (25993603795380).

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

12312340401420 is a wasteful number, since it uses less digits than its factorization.

12312340401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526904 (or 526896 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12312340401420 its reverse (2410404321321), we get a palindrome (14722744722741).

The spelling of 12312340401420 in words is "twelve trillion, three hundred twelve billion, three hundred forty million, four hundred one thousand, four hundred twenty".