1200012041 has 4 divisors (see below), whose sum is σ = 1202016000. Its totient is φ = 1198008084.

The previous prime is 1200012019. The next prime is 1200012053. The reversal of 1200012041 is 1402100021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1402100021 = 7 ⋅200300003.

It is a cyclic number.

It is not a de Polignac number, because 1200012041 - 2⁶ = 1200011977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200012001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001081 + ... + 1002278.

It is an arithmetic number, because the mean of its divisors is an integer number (300504000).

Almost surely, 2^1200012041 is an apocalyptic number.

It is an amenable number.

1200012041 is a deficient number, since it is larger than the sum of its proper divisors (2003959).

1200012041 is an equidigital number, since it uses as much as digits as its factorization.

1200012041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003958.

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

The square root of 1200012041 is about 34641.1899478064. The cubic root of 1200012041 is about 1062.6621234685.

Adding to 1200012041 its reverse (1402100021), we get a palindrome (2602112062).

The spelling of 1200012041 in words is "one billion, two hundred million, twelve thousand, forty-one".