1243122053113 has 16 divisors (see below), whose sum is σ = 1275884248320. Its totient is φ = 1210801132800.

The previous prime is 1243122053053. The next prime is 1243122053119. The reversal of 1243122053113 is 3113502213421.

It is a cyclic number.

It is not a de Polignac number, because 1243122053113 - 2¹³ = 1243122044921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243122053119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579248 + ... + 3023038.

It is an arithmetic number, because the mean of its divisors is an integer number (79742765520).

Almost surely, 2^{1243122053113} is an apocalyptic number.

It is an amenable number.

1243122053113 is a deficient number, since it is larger than the sum of its proper divisors (32762195207).

1243122053113 is a wasteful number, since it uses less digits than its factorization.

1243122053113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444288.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1243122053113 its reverse (3113502213421), we get a palindrome (4356624266534).

The spelling of 1243122053113 in words is "one trillion, two hundred forty-three billion, one hundred twenty-two million, fifty-three thousand, one hundred thirteen".