1121343212015 has 24 divisors (see below), whose sum is σ = 1457197190208. Its totient is φ = 828003745920.

The previous prime is 1121343211931. The next prime is 1121343212051. The reversal of 1121343212015 is 5102123431211.

It is not a de Polignac number, because 1121343212015 - 2²⁶ = 1121276103151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12487457 + ... + 12576933.

It is an arithmetic number, because the mean of its divisors is an integer number (60716549592).

Almost surely, 2^{1121343212015} is an apocalyptic number.

1121343212015 is a deficient number, since it is larger than the sum of its proper divisors (335853978193).

1121343212015 is a wasteful number, since it uses less digits than its factorization.

1121343212015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104339 (or 104326 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1121343212015 its reverse (5102123431211), we get a palindrome (6223466643226).

The spelling of 1121343212015 in words is "one trillion, one hundred twenty-one billion, three hundred forty-three million, two hundred twelve thousand, fifteen".