1012002112 has 56 divisors (see below), whose sum is σ = 2319649920. Its totient is φ = 432936960.

The previous prime is 1012002109. The next prime is 1012002113. The reversal of 1012002112 is 2112002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012002113) 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, 30312 + ... + 54247.

It is an arithmetic number, because the mean of its divisors is an integer number (41422320).

Almost surely, 2^1012002112 is an apocalyptic number.

It is an amenable number.

1012002112 is an abundant number, since it is smaller than the sum of its proper divisors (1307647808).

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

1012002112 is a wasteful number, since it uses less digits than its factorization.

1012002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84599 (or 84589 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1012002112 is about 31811.9806362320. The cubic root of 1012002112 is about 1003.9848042440.

Adding to 1012002112 its reverse (2112002101), we get a palindrome (3124004213).

The spelling of 1012002112 in words is "one billion, twelve million, two thousand, one hundred twelve".