421303421412 has 72 divisors (see below), whose sum is σ = 1085149185120. Its totient is φ = 137796447360.

The previous prime is 421303421381. The next prime is 421303421459. The reversal of 421303421412 is 214124303124.

421303421412 is a `hidden beast` number, since 4 + 213 + 0 + 34 + 2 + 1 + 412 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82158 + ... + 921605.

It is an arithmetic number, because the mean of its divisors is an integer number (15071516460).

Almost surely, 2^421303421412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421303421412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542574592560).

421303421412 is an abundant number, since it is smaller than the sum of its proper divisors (663845763708).

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

421303421412 is a wasteful number, since it uses less digits than its factorization.

421303421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003993 (or 1003988 counting only the distinct ones).

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

Adding to 421303421412 its reverse (214124303124), we get a palindrome (635427724536).

The spelling of 421303421412 in words is "four hundred twenty-one billion, three hundred three million, four hundred twenty-one thousand, four hundred twelve".