1000000421112 has 128 divisors (see below), whose sum is σ = 3117379944960. Its totient is φ = 259699077120.

The previous prime is 1000000421053. The next prime is 1000000421171. The reversal of 1000000421112 is 2111240000001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1000000421053) and next prime (1000000421171).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12587788 + ... + 12666980.

It is an arithmetic number, because the mean of its divisors is an integer number (24354530820).

Almost surely, 2^{1000000421112} is an apocalyptic number.

1000000421112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000000421112 is an abundant number, since it is smaller than the sum of its proper divisors (2117379523848).

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

1000000421112 is a wasteful number, since it uses less digits than its factorization.

1000000421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86053 (or 86049 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000000421112 its reverse (2111240000001), we get a palindrome (3111240421113).

The spelling of 1000000421112 in words is "one trillion, four hundred twenty-one thousand, one hundred twelve".