420111131230 has 64 divisors (see below), whose sum is σ = 919093109760. Its totient is φ = 135050333184.

The previous prime is 420111131107. The next prime is 420111131299. The reversal of 420111131230 is 32131111024.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 420111131198 and 420111131207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499202 + ... + 1757221.

It is an arithmetic number, because the mean of its divisors is an integer number (14360829840).

Almost surely, 2^420111131230 is an apocalyptic number.

420111131230 is an abundant number, since it is smaller than the sum of its proper divisors (498981978530).

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

420111131230 is a wasteful number, since it uses less digits than its factorization.

420111131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256553.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 420111131230 its reverse (32131111024), we get a palindrome (452242242254).

The spelling of 420111131230 in words is "four hundred twenty billion, one hundred eleven million, one hundred thirty-one thousand, two hundred thirty".