1201113012 has 48 divisors (see below), whose sum is σ = 3122445312. Its totient is φ = 356227680.

The previous prime is 1201112963. The next prime is 1201113031. The reversal of 1201113012 is 2103111021.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 90598 + ... + 103005.

It is an arithmetic number, because the mean of its divisors is an integer number (65050944).

Almost surely, 2^1201113012 is an apocalyptic number.

1201113012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201113012 is an abundant number, since it is smaller than the sum of its proper divisors (1921332300).

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

1201113012 is a wasteful number, since it uses less digits than its factorization.

1201113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193668 (or 193666 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1201113012 is about 34657.0773724502. The cubic root of 1201113012 is about 1062.9870098094.

Adding to 1201113012 its reverse (2103111021), we get a palindrome (3304224033).

The spelling of 1201113012 in words is "one billion, two hundred one million, one hundred thirteen thousand, twelve".