1201318012 has 12 divisors (see below), whose sum is σ = 2131916976. Its totient is φ = 592198880.

The previous prime is 1201318009. The next prime is 1201318021. The reversal of 1201318012 is 2108131021.

It is a congruent number.

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, 2114713 + ... + 2115280.

It is an arithmetic number, because the mean of its divisors is an integer number (177659748).

Almost surely, 2^1201318012 is an apocalyptic number.

It is an amenable number.

1201318012 is a deficient number, since it is larger than the sum of its proper divisors (930598964).

1201318012 is a wasteful number, since it uses less digits than its factorization.

1201318012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230068 (or 4230066 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1201318012 is about 34660.0347951354. The cubic root of 1201318012 is about 1063.0474814826.

Adding to 1201318012 its reverse (2108131021), we get a palindrome (3309449033).

The spelling of 1201318012 in words is "one billion, two hundred one million, three hundred eighteen thousand, twelve".