1201223012 has 24 divisors (see below), whose sum is σ = 2295790560. Its totient is φ = 545404160.

The previous prime is 1201223011. The next prime is 1201223027. The reversal of 1201223012 is 2103221021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1201223011) 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, 26183 + ... + 55569.

It is an arithmetic number, because the mean of its divisors is an integer number (95657940).

Almost surely, 2^1201223012 is an apocalyptic number.

It is an amenable number.

1201223012 is a deficient number, since it is larger than the sum of its proper divisors (1094567548).

1201223012 is a wasteful number, since it uses less digits than its factorization.

1201223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331 (or 30329 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1201223012 is about 34658.6643135595. The cubic root of 1201223012 is about 1063.0194588797.

Adding to 1201223012 its reverse (2103221021), we get a palindrome (3304444033).

The spelling of 1201223012 in words is "one billion, two hundred one million, two hundred twenty-three thousand, twelve".