1203113212 has 48 divisors (see below), whose sum is σ = 2558062080. Its totient is φ = 483624000.

The previous prime is 1203113209. The next prime is 1203113221. The reversal of 1203113212 is 2123113021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42537 + ... + 64927.

It is an arithmetic number, because the mean of its divisors is an integer number (53292960).

Almost surely, 2^1203113212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203113212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279031040).

1203113212 is an abundant number, since it is smaller than the sum of its proper divisors (1354948868).

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

1203113212 is a wasteful number, since it uses less digits than its factorization.

1203113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22522 (or 22520 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1203113212 is about 34685.9223893498. The cubic root of 1203113212 is about 1063.5767426789.

Adding to 1203113212 its reverse (2123113021), we get a palindrome (3326226233).

The spelling of 1203113212 in words is "one billion, two hundred three million, one hundred thirteen thousand, two hundred twelve".