420403002312 has 32 divisors (see below), whose sum is σ = 1052950250880. Its totient is φ = 139875301440.

The previous prime is 420403002241. The next prime is 420403002319. The reversal of 420403002312 is 213200304024.

It is not an unprimeable number, because it can be changed into a prime (420403002319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16176288 + ... + 16202255.

It is an arithmetic number, because the mean of its divisors is an integer number (32904695340).

Almost surely, 2^420403002312 is an apocalyptic number.

It is an amenable number.

420403002312 is an abundant number, since it is smaller than the sum of its proper divisors (632547248568).

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

420403002312 is a wasteful number, since it uses less digits than its factorization.

420403002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32379093 (or 32379089 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 420403002312 its reverse (213200304024), we get a palindrome (633603306336).

The spelling of 420403002312 in words is "four hundred twenty billion, four hundred three million, two thousand, three hundred twelve".