1012054113215 has 16 divisors (see below), whose sum is σ = 1286068231008. Its totient is φ = 761919922176.

The previous prime is 1012054113211. The next prime is 1012054113229. The reversal of 1012054113215 is 5123114502101.

It is a cyclic number.

It is not a de Polignac number, because 1012054113215 - 2² = 1012054113211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012054113211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86957 + ... + 1425366.

It is an arithmetic number, because the mean of its divisors is an integer number (80379264438).

Almost surely, 2^{1012054113215} is an apocalyptic number.

1012054113215 is a deficient number, since it is larger than the sum of its proper divisors (274014117793).

1012054113215 is a wasteful number, since it uses less digits than its factorization.

1012054113215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520218.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 1012054113215 its reverse (5123114502101), we get a palindrome (6135168615316).

The spelling of 1012054113215 in words is "one trillion, twelve billion, fifty-four million, one hundred thirteen thousand, two hundred fifteen".