420402101330412 has 144 divisors (see below), whose sum is σ = 1094367843354240. Its totient is φ = 135976895341056.

The previous prime is 420402101330389. The next prime is 420402101330413. The reversal of 420402101330412 is 214033101204024.

420402101330412 is a `hidden beast` number, since 4 + 2 + 0 + 4 + 0 + 210 + 1 + 3 + 30 + 412 = 666.

It is not an unprimeable number, because it can be changed into a prime (420402101330413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 724695018 + ... + 725274894.

It is an arithmetic number, because the mean of its divisors is an integer number (7599776689960).

Almost surely, 2^{420402101330412} 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 420402101330412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547183921677120).

420402101330412 is an abundant number, since it is smaller than the sum of its proper divisors (673965742023828).

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

420402101330412 is a wasteful number, since it uses less digits than its factorization.

420402101330412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581400 (or 581395 counting only the distinct ones).

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

Adding to 420402101330412 its reverse (214033101204024), we get a palindrome (634435202534436).

The spelling of 420402101330412 in words is "four hundred twenty trillion, four hundred two billion, one hundred one million, three hundred thirty thousand, four hundred twelve".