1121343212013 has 8 divisors (see below), whose sum is σ = 1506037599168. Its totient is φ = 742105483104.

The previous prime is 1121343211931. The next prime is 1121343212051. The reversal of 1121343212013 is 3102123431211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121343212013 - 2⁹ = 1121343211501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121343212113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364164081 + ... + 1364164902.

It is an arithmetic number, because the mean of its divisors is an integer number (188254699896).

Almost surely, 2^{1121343212013} is an apocalyptic number.

It is an amenable number.

1121343212013 is a deficient number, since it is larger than the sum of its proper divisors (384694387155).

1121343212013 is a wasteful number, since it uses less digits than its factorization.

1121343212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728329123.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1121343212013 its reverse (3102123431211), we get a palindrome (4223466643224).

The spelling of 1121343212013 in words is "one trillion, one hundred twenty-one billion, three hundred forty-three million, two hundred twelve thousand, thirteen".