1013124201243 has 144 divisors (see below), whose sum is σ = 1792972242432. Its totient is φ = 506630678400.

The previous prime is 1013124201223. The next prime is 1013124201259. The reversal of 1013124201243 is 3421024213101.

It is not a de Polignac number, because 1013124201243 - 2¹⁶ = 1013124135707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013124201223) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 50985396 + ... + 51005262.

It is an arithmetic number, because the mean of its divisors is an integer number (12451196128).

Almost surely, 2^{1013124201243} is an apocalyptic number.

1013124201243 is a deficient number, since it is larger than the sum of its proper divisors (779848041189).

1013124201243 is a wasteful number, since it uses less digits than its factorization.

1013124201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20014 (or 19996 counting only the distinct ones).

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

Adding to 1013124201243 its reverse (3421024213101), we get a palindrome (4434148414344).

The spelling of 1013124201243 in words is "one trillion, thirteen billion, one hundred twenty-four million, two hundred one thousand, two hundred forty-three".