1200012042 has 8 divisors (see below), whose sum is σ = 2400024096. Its totient is φ = 400004012.

The previous prime is 1200012019. The next prime is 1200012053. The reversal of 1200012042 is 2402100021.

It is a sphenic number, since it is the product of 3 distinct primes.

1200012042 is an admirable 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, 100000998 + ... + 100001009.

It is an arithmetic number, because the mean of its divisors is an integer number (300003012).

Almost surely, 2^1200012042 is an apocalyptic number.

1200012042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200012042 is a wasteful number, since it uses less digits than its factorization.

1200012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200002012.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1200012042 is about 34641.1899622400. The cubic root of 1200012042 is about 1062.6621237636.

Adding to 1200012042 its reverse (2402100021), we get a palindrome (3602112063).

It can be divided in two parts, 12000 and 12042, that added together give a palindrome (24042).

The spelling of 1200012042 in words is "one billion, two hundred million, twelve thousand, forty-two".