1001012102015 has 16 divisors (see below), whose sum is σ = 1253640761856. Its totient is φ = 765869940000.

The previous prime is 1001012101979. The next prime is 1001012102053. The reversal of 1001012102015 is 5102012101001.

It is not a de Polignac number, because 1001012102015 - 2¹² = 1001012097919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36140 + ... + 1415390.

It is an arithmetic number, because the mean of its divisors is an integer number (78352547616).

Almost surely, 2^{1001012102015} is an apocalyptic number.

1001012102015 is a deficient number, since it is larger than the sum of its proper divisors (252628659841).

1001012102015 is a wasteful number, since it uses less digits than its factorization.

1001012102015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385590.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 1001012102015 its reverse (5102012101001), we get a palindrome (6103024203016).

The spelling of 1001012102015 in words is "one trillion, one billion, twelve million, one hundred two thousand, fifteen".