111434144202012 has 12 divisors (see below), whose sum is σ = 260013003138056. Its totient is φ = 37144714734000.

The previous prime is 111434144201969. The next prime is 111434144202089. The reversal of 111434144202012 is 210202441434111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4643089341739 + ... + 4643089341762.

Almost surely, 2^{111434144202012} is an apocalyptic number.

111434144202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111434144202012 is an abundant number, since it is smaller than the sum of its proper divisors (148578858936044).

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

111434144202012 is a wasteful number, since it uses less digits than its factorization.

111434144202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286178683508 (or 9286178683506 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 111434144202012 its reverse (210202441434111), we get a palindrome (321636585636123).

The spelling of 111434144202012 in words is "one hundred eleven trillion, four hundred thirty-four billion, one hundred forty-four million, two hundred two thousand, twelve".