111312020001012 has 24 divisors (see below), whose sum is σ = 259754520090912. Its totient is φ = 37100224749600.

The previous prime is 111312020000999. The next prime is 111312020001043. The reversal of 111312020001012 is 210100020213111.

It is a junction number, because it is equal to n+sod(n) for n = 111312020000982 and 111312020001000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472617039 + ... + 472852502.

It is an arithmetic number, because the mean of its divisors is an integer number (10823105003788).

Almost surely, 2^{111312020001012} is an apocalyptic number.

111312020001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111312020001012 is an abundant number, since it is smaller than the sum of its proper divisors (148442500089900).

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

111312020001012 is a wasteful number, since it uses less digits than its factorization.

111312020001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945479359 (or 945479357 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111312020001012 its reverse (210100020213111), we get a palindrome (321412040214123).

The spelling of 111312020001012 in words is "one hundred eleven trillion, three hundred twelve billion, twenty million, one thousand, twelve".