1201220012 has 12 divisors (see below), whose sum is σ = 2102453976. Its totient is φ = 600518880.

The previous prime is 1201219951. The next prime is 1201220021. The reversal of 1201220012 is 2100221021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201219975 and 1201220002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13187 + ... + 50757.

It is an arithmetic number, because the mean of its divisors is an integer number (175204498).

Almost surely, 2^1201220012 is an apocalyptic number.

It is an amenable number.

1201220012 is a deficient number, since it is larger than the sum of its proper divisors (901233964).

1201220012 is a wasteful number, since it uses less digits than its factorization.

1201220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45568 (or 45566 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201220012 is about 34658.6210343112. The cubic root of 1201220012 is about 1063.0185739313.

Adding to 1201220012 its reverse (2100221021), we get a palindrome (3301441033).

The spelling of 1201220012 in words is "one billion, two hundred one million, two hundred twenty thousand, twelve".