1243014244213 has 48 divisors (see below), whose sum is σ = 1556184268800. Its totient is φ = 986782214880.

The previous prime is 1243014244211. The next prime is 1243014244279. The reversal of 1243014244213 is 3124424103421.

It is a happy number.

It is not a de Polignac number, because 1243014244213 - 2¹ = 1243014244211 is a prime.

It is a super-3 number, since 3×1243014244213³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243014244211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40197228 + ... + 40228138.

It is an arithmetic number, because the mean of its divisors is an integer number (32420505600).

Almost surely, 2^{1243014244213} is an apocalyptic number.

It is an amenable number.

1243014244213 is a deficient number, since it is larger than the sum of its proper divisors (313170024587).

1243014244213 is a wasteful number, since it uses less digits than its factorization.

1243014244213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31910 (or 31903 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1243014244213 its reverse (3124424103421), we get a palindrome (4367438347634).

The spelling of 1243014244213 in words is "one trillion, two hundred forty-three billion, fourteen million, two hundred forty-four thousand, two hundred thirteen".