1213024121043 has 24 divisors (see below), whose sum is σ = 1946301904080. Its totient is φ = 669254685120.

The previous prime is 1213024121021. The next prime is 1213024121053. The reversal of 1213024121043 is 3401214203121.

It is not a de Polignac number, because 1213024121043 - 2³⁴ = 1195844251859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213024121053) 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 23 ways as a sum of consecutive naturals, for example, 142269268 + ... + 142277793.

It is an arithmetic number, because the mean of its divisors is an integer number (81095912670).

Almost surely, 2^{1213024121043} is an apocalyptic number.

1213024121043 is a deficient number, since it is larger than the sum of its proper divisors (733277783037).

1213024121043 is a wasteful number, since it uses less digits than its factorization.

1213024121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284547107 (or 284547100 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1213024121043 its reverse (3401214203121), we get a palindrome (4614238324164).

The spelling of 1213024121043 in words is "one trillion, two hundred thirteen billion, twenty-four million, one hundred twenty-one thousand, forty-three".