111212124023042 has 32 divisors (see below), whose sum is σ = 192678443466624. Its totient is φ = 47155760352000.

The previous prime is 111212124023029. The next prime is 111212124023057. The reversal of 111212124023042 is 240320421212111.

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, 26970008 + ... + 30818915.

It is an arithmetic number, because the mean of its divisors is an integer number (6021201358332).

Almost surely, 2^{111212124023042} is an apocalyptic number.

111212124023042 is a deficient number, since it is larger than the sum of its proper divisors (81466319443582).

111212124023042 is a wasteful number, since it uses less digits than its factorization.

111212124023042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57790394.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 111212124023042 its reverse (240320421212111), we get a palindrome (351532545235153).

The spelling of 111212124023042 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred twenty-four million, twenty-three thousand, forty-two".