111243234130412 has 6 divisors (see below), whose sum is σ = 194675659728228. Its totient is φ = 55621617065204.

The previous prime is 111243234130411. The next prime is 111243234130493. The reversal of 111243234130412 is 214031432342111.

It is a super-2 number, since 2×111243234130412² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111243234130411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13905404266298 + ... + 13905404266305.

It is an arithmetic number, because the mean of its divisors is an integer number (32445943288038).

Almost surely, 2^{111243234130412} is an apocalyptic number.

It is an amenable number.

111243234130412 is a deficient number, since it is larger than the sum of its proper divisors (83432425597816).

111243234130412 is a wasteful number, since it uses less digits than its factorization.

111243234130412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27810808532607 (or 27810808532605 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 111243234130412 its reverse (214031432342111), we get a palindrome (325274666472523).

The spelling of 111243234130412 in words is "one hundred eleven trillion, two hundred forty-three billion, two hundred thirty-four million, one hundred thirty thousand, four hundred twelve".