1000102012 has 96 divisors (see below), whose sum is σ = 2323399680. Its totient is φ = 365575680.

The previous prime is 1000102007. The next prime is 1000102039. The reversal of 1000102012 is 2102010001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 1000101986 and 1000102004.

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, 281793 + ... + 285319.

It is an arithmetic number, because the mean of its divisors is an integer number (24202080).

Almost surely, 2^1000102012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000102012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161699840).

1000102012 is an abundant number, since it is smaller than the sum of its proper divisors (1323297668).

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

1000102012 is a wasteful number, since it uses less digits than its factorization.

1000102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3609 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1000102012 is about 31624.3895118941. The cubic root of 1000102012 is about 1000.0340028438.

Adding to 1000102012 its reverse (2102010001), we get a palindrome (3102112013).

The spelling of 1000102012 in words is "one billion, one hundred two thousand, twelve".