1012200203 has 8 divisors (see below), whose sum is σ = 1180408800. Its totient is φ = 867599880.

The previous prime is 1012200199. The next prime is 1012200221. The reversal of 1012200203 is 3020022101.

It is a happy number.

It is not a de Polignac number, because 1012200203 - 2² = 1012200199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012200103) 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, 1475168 + ... + 1475853.

It is an arithmetic number, because the mean of its divisors is an integer number (147551100).

Almost surely, 2^1012200203 is an apocalyptic number.

1012200203 is a deficient number, since it is larger than the sum of its proper divisors (168208597).

1012200203 is an frugal number, since it uses more digits than its factorization.

1012200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951042 (or 2951028 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1012200203 is about 31815.0939492562. The cubic root of 1012200203 is about 1004.0503071965.

Adding to 1012200203 its reverse (3020022101), we get a palindrome (4032222304).

The spelling of 1012200203 in words is "one billion, twelve million, two hundred thousand, two hundred three".