1012001212200 has 192 divisors, whose sum is σ = 3470608581120. Its totient is φ = 241878112000.

The previous prime is 1012001212199. The next prime is 1012001212213. The reversal of 1012001212200 is 22121002101.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611214 + ... + 1548413.

It is an arithmetic number, because the mean of its divisors is an integer number (18076086360).

Almost surely, 2^{1012001212200} is an apocalyptic number.

1012001212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012001212200 is an abundant number, since it is smaller than the sum of its proper divisors (2458607368920).

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

1012001212200 is a wasteful number, since it uses less digits than its factorization.

1012001212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159728 (or 2159719 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012001212200 its reverse (22121002101), we get a palindrome (1034122214301).

The spelling of 1012001212200 in words is "one trillion, twelve billion, one million, two hundred twelve thousand, two hundred".