421030331340012 has 48 divisors (see below), whose sum is σ = 1091561397655680. Its totient is φ = 140343279290064.

The previous prime is 421030331340011. The next prime is 421030331340013. The reversal of 421030331340012 is 210043133030124.

It is a happy number.

421030331340012 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 303 + 3 + 1 + 340 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (421030331340011) and next prime (421030331340013).

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 (421030331340011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120893623 + ... + 124327505.

It is an arithmetic number, because the mean of its divisors is an integer number (22740862451160).

Almost surely, 2^{421030331340012} is an apocalyptic number.

It is an amenable number.

421030331340012 is an abundant number, since it is smaller than the sum of its proper divisors (670531066315668).

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

421030331340012 is a wasteful number, since it uses less digits than its factorization.

421030331340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569179 (or 4569171 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 421030331340012 its reverse (210043133030124), we get a palindrome (631073464370136).

The spelling of 421030331340012 in words is "four hundred twenty-one trillion, thirty billion, three hundred thirty-one million, three hundred forty thousand, twelve".