420112912 has 20 divisors (see below), whose sum is σ = 814797676. Its totient is φ = 209842560.

The previous prime is 420112907. The next prime is 420112919. The reversal of 420112912 is 219211024.

It can be written as a sum of positive squares in 2 ways, for example, as 247873536 + 172239376 = 15744^2 + 13124^2 .

It is not an unprimeable number, because it can be changed into a prime (420112919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3478 + ... + 29194.

Almost surely, 2^420112912 is an apocalyptic number.

It is an amenable number.

420112912 is a deficient number, since it is larger than the sum of its proper divisors (394684764).

420112912 is a wasteful number, since it uses less digits than its factorization.

420112912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746 (or 26740 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 420112912 is about 20496.6561175232. The cubic root of 420112912 is about 748.9543425151.

Adding to 420112912 its reverse (219211024), we get a palindrome (639323936).

The spelling of 420112912 in words is "four hundred twenty million, one hundred twelve thousand, nine hundred twelve".