1231010044242 has 32 divisors (see below), whose sum is σ = 2686415526720. Its totient is φ = 372953425920.

The previous prime is 1231010044223. The next prime is 1231010044267. The reversal of 1231010044242 is 2424400101321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687267 + ... + 2304102.

It is an arithmetic number, because the mean of its divisors is an integer number (83950485210).

Almost surely, 2^{1231010044242} is an apocalyptic number.

1231010044242 is an abundant number, since it is smaller than the sum of its proper divisors (1455405482478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231010044242 is a wasteful number, since it uses less digits than its factorization.

1231010044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996058.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1231010044242 its reverse (2424400101321), we get a palindrome (3655410145563).

The spelling of 1231010044242 in words is "one trillion, two hundred thirty-one billion, ten million, forty-four thousand, two hundred forty-two".