10012400243 has 8 divisors (see below), whose sum is σ = 10368623616. Its totient is φ = 9658254600.

The previous prime is 10012400239. The next prime is 10012400267. The reversal of 10012400243 is 34200421001.

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

It is not a de Polignac number, because 10012400243 - 2² = 10012400239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012400443) 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, 509621 + ... + 528902.

It is an arithmetic number, because the mean of its divisors is an integer number (1296077952).

Almost surely, 2^10012400243 is an apocalyptic number.

10012400243 is a deficient number, since it is larger than the sum of its proper divisors (356223373).

10012400243 is a wasteful number, since it uses less digits than its factorization.

10012400243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038865.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10012400243 its reverse (34200421001), we get a palindrome (44212821244).

The spelling of 10012400243 in words is "ten billion, twelve million, four hundred thousand, two hundred forty-three".