1012102002 has 24 divisors (see below), whose sum is σ = 2202729984. Its totient is φ = 335853144.

The previous prime is 1012101991. The next prime is 1012102027. The reversal of 1012102002 is 2002012101.

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

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 11 ways as a sum of consecutive naturals, for example, 122058 + ... + 130085.

It is an arithmetic number, because the mean of its divisors is an integer number (91780416).

Almost surely, 2^1012102002 is an apocalyptic number.

1012102002 is an abundant number, since it is smaller than the sum of its proper divisors (1190627982).

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

1012102002 is a wasteful number, since it uses less digits than its factorization.

1012102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252374 (or 252371 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1012102002 is about 31813.5506034771. The cubic root of 1012102002 is about 1004.0178360402.

Adding to 1012102002 its reverse (2002012101), we get a palindrome (3014114103).

The spelling of 1012102002 in words is "one billion, twelve million, one hundred two thousand, two".