1001012010 has 64 divisors (see below), whose sum is σ = 2504715264. Its totient is φ = 255744000.

The previous prime is 1001011987. The next prime is 1001012087. The reversal of 1001012010 is 102101001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 1001012010.

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, 88602 + ... + 99258.

It is an arithmetic number, because the mean of its divisors is an integer number (39136176).

Almost surely, 2^1001012010 is an apocalyptic number.

1001012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252357632).

1001012010 is an abundant number, since it is smaller than the sum of its proper divisors (1503703254).

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

1001012010 is a wasteful number, since it uses less digits than its factorization.

1001012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10799.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1001012010 is about 31638.7738384407. The cubic root of 1001012010 is about 1000.3372229346.

Adding to 1001012010 its reverse (102101001), we get a palindrome (1103113011).

The spelling of 1001012010 in words is "one billion, one million, twelve thousand, ten".