111012623012 has 6 divisors (see below), whose sum is σ = 194272090278. Its totient is φ = 55506311504.

The previous prime is 111012623003. The next prime is 111012623053. The reversal of 111012623012 is 210326210111.

It can be written as a sum of positive squares in only one way, i.e., 87584034916 + 23428588096 = 295946^2 + 153064^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876577873 + ... + 13876577880.

It is an arithmetic number, because the mean of its divisors is an integer number (32378681713).

Almost surely, 2^111012623012 is an apocalyptic number.

It is an amenable number.

111012623012 is a deficient number, since it is larger than the sum of its proper divisors (83259467266).

111012623012 is a wasteful number, since it uses less digits than its factorization.

111012623012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753155757 (or 27753155755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111012623012 its reverse (210326210111), we get a palindrome (321338833123).

The spelling of 111012623012 in words is "one hundred eleven billion, twelve million, six hundred twenty-three thousand, twelve".