1012100201112 has 192 divisors, whose sum is σ = 3422997123840. Its totient is φ = 242661323520.

The previous prime is 1012100201111. The next prime is 1012100201113. The reversal of 1012100201112 is 2111020012101.

It is an interprime number because it is at equal distance from previous prime (1012100201111) and next prime (1012100201113).

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 (1012100201111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1650678 + ... + 2179205.

It is an arithmetic number, because the mean of its divisors is an integer number (17828110020).

Almost surely, 2^{1012100201112} is an apocalyptic number.

1012100201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012100201112 is an abundant number, since it is smaller than the sum of its proper divisors (2410896922728).

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

1012100201112 is a wasteful number, since it uses less digits than its factorization.

1012100201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829934 (or 3829919 counting only the distinct ones).

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

Adding to 1012100201112 its reverse (2111020012101), we get a palindrome (3123120213213).

The spelling of 1012100201112 in words is "one trillion, twelve billion, one hundred million, two hundred one thousand, one hundred twelve".