1012001112 has 24 divisors (see below), whose sum is σ = 2740836540. Its totient is φ = 337333680.

The previous prime is 1012001101. The next prime is 1012001131. The reversal of 1012001112 is 2111002101.

It is a happy number.

1012001112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1012001094 and 1012001103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7027714 + ... + 7027857.

Almost surely, 2^1012001112 is an apocalyptic number.

1012001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012001112 is an abundant number, since it is smaller than the sum of its proper divisors (1728835428).

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

1012001112 is a wasteful number, since it uses less digits than its factorization.

1012001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14055583 (or 14055576 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1012001112 is about 31811.9649188792. The cubic root of 1012001112 is about 1003.9844735513.

Adding to 1012001112 its reverse (2111002101), we get a palindrome (3123003213).

The spelling of 1012001112 in words is "one billion, twelve million, one thousand, one hundred twelve".