1200002012 has 36 divisors (see below), whose sum is σ = 2325004920. Its totient is φ = 541500960.

The previous prime is 1200001987. The next prime is 1200002017. The reversal of 1200002012 is 2102000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200002017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58358 + ... + 76194.

It is an arithmetic number, because the mean of its divisors is an integer number (64583470).

Almost surely, 2^1200002012 is an apocalyptic number.

It is an amenable number.

1200002012 is a deficient number, since it is larger than the sum of its proper divisors (1125002908).

1200002012 is a wasteful number, since it uses less digits than its factorization.

1200002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18002 (or 17989 counting only the distinct ones).

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

The square root of 1200002012 is about 34641.0451920839. The cubic root of 1200002012 is about 1062.6591630903.

Adding to 1200002012 its reverse (2102000021), we get a palindrome (3302002033).

The spelling of 1200002012 in words is "one billion, two hundred million, two thousand, twelve".