1002131012 has 12 divisors (see below), whose sum is σ = 1754236176. Its totient is φ = 500920680.

The previous prime is 1002130949. The next prime is 1002131089. The reversal of 1002131012 is 2101312001.

It is a junction number, because it is equal to n+sod(n) for n = 1002130984 and 1002131002.

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 3 ways as a sum of consecutive naturals, for example, 19814 + ... + 48957.

It is an arithmetic number, because the mean of its divisors is an integer number (146186348).

Almost surely, 2^1002131012 is an apocalyptic number.

It is an amenable number.

1002131012 is a deficient number, since it is larger than the sum of its proper divisors (752105164).

1002131012 is a wasteful number, since it uses less digits than its factorization.

1002131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72418 (or 72416 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1002131012 is about 31656.4529282736. The cubic root of 1002131012 is about 1000.7098333507.

Adding to 1002131012 its reverse (2101312001), we get a palindrome (3103443013).

The spelling of 1002131012 in words is "one billion, two million, one hundred thirty-one thousand, twelve".