1012200101112 has 32 divisors (see below), whose sum is σ = 2544480928080. Its totient is φ = 335535943680.

The previous prime is 1012200101111. The next prime is 1012200101117. The reversal of 1012200101112 is 2111010022101.

It is a super-2 number, since 2×1012200101112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012200101111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116501193 + ... + 116509880.

Almost surely, 2^{1012200101112} is an apocalyptic number.

1012200101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012200101112 is an abundant number, since it is smaller than the sum of its proper divisors (1532280826968).

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

1012200101112 is a wasteful number, since it uses less digits than its factorization.

1012200101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233011263 (or 233011259 counting only the distinct ones).

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

Adding to 1012200101112 its reverse (2111010022101), we get a palindrome (3123210123213).

The spelling of 1012200101112 in words is "one trillion, twelve billion, two hundred million, one hundred one thousand, one hundred twelve".