1201100012 has 24 divisors (see below), whose sum is σ = 2405172000. Its totient is φ = 514120320.

The previous prime is 1201099981. The next prime is 1201100023. The reversal of 1201100012 is 2100011021.

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 7 ways as a sum of consecutive naturals, for example, 3137 + ... + 49112.

It is an arithmetic number, because the mean of its divisors is an integer number (100215500).

Almost surely, 2^1201100012 is an apocalyptic number.

It is an amenable number.

1201100012 is an abundant number, since it is smaller than the sum of its proper divisors (1204071988).

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

1201100012 is a wasteful number, since it uses less digits than its factorization.

1201100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53081 (or 53079 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1201100012 is about 34656.8898200632. The cubic root of 1201100012 is about 1062.9831747883.

Adding to 1201100012 its reverse (2100011021), we get a palindrome (3301111033).

The spelling of 1201100012 in words is "one billion, two hundred one million, one hundred thousand, twelve".