111210020001012 has 12 divisors (see below), whose sum is σ = 259490046669056. Its totient is φ = 37070006667000.

The previous prime is 111210020000929. The next prime is 111210020001127. The reversal of 111210020001012 is 210100020012111.

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

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 9267501666751 = 111210020001012 / (1 + 1 + 1 + 2 + 1 + 0 + 0 + 2 + 0 + 0 + 0 + 1 + 0 + 1 + 2).

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, 4633750833364 + ... + 4633750833387.

Almost surely, 2^{111210020001012} is an apocalyptic number.

111210020001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111210020001012 is an abundant number, since it is smaller than the sum of its proper divisors (148280026668044).

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

111210020001012 is a wasteful number, since it uses less digits than its factorization.

111210020001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267501666758 (or 9267501666756 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111210020001012 its reverse (210100020012111), we get a palindrome (321310040013123).

The spelling of 111210020001012 in words is "one hundred eleven trillion, two hundred ten billion, twenty million, one thousand, twelve".