1012200192 has 144 divisors (see below), whose sum is σ = 3123886080. Its totient is φ = 322679808.

The previous prime is 1012200191. The next prime is 1012200199. The reversal of 1012200192 is 2910022101.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1012200191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155793 + ... + 162159.

Almost surely, 2^1012200192 is an apocalyptic number.

1012200192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012200192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561943040).

1012200192 is an abundant number, since it is smaller than the sum of its proper divisors (2111685888).

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

1012200192 is an equidigital number, since it uses as much as digits as its factorization.

1012200192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1012200192 is about 31815.0937763823. The cubic root of 1012200192 is about 1004.0503035594.

Adding to 1012200192 its reverse (2910022101), we get a palindrome (3922222293).

The spelling of 1012200192 in words is "one billion, twelve million, two hundred thousand, one hundred ninety-two".