420213423312 has 30 divisors (see below), whose sum is σ = 1176013955922. Its totient is φ = 140071141056.

The previous prime is 420213423281. The next prime is 420213423317. The reversal of 420213423312 is 213324312024.

420213423312 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 1 + 342 + 3 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 265736126016 + 154477297296 = 515496^2 + 393036^2 .

It is a super-2 number, since 2×420213423312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420213423317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1459074243 + ... + 1459074530.

Almost surely, 2^420213423312 is an apocalyptic number.

It is an amenable number.

420213423312 is an abundant number, since it is smaller than the sum of its proper divisors (755800532610).

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

420213423312 is a wasteful number, since it uses less digits than its factorization.

420213423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918148787 (or 2918148778 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 420213423312 its reverse (213324312024), we get a palindrome (633537735336).

The spelling of 420213423312 in words is "four hundred twenty billion, two hundred thirteen million, four hundred twenty-three thousand, three hundred twelve".