1205002012 has 12 divisors (see below), whose sum is σ = 2110197376. Its totient is φ = 602088480.

The previous prime is 1205002009. The next prime is 1205002031. The reversal of 1205002012 is 2102005021.

It is a junction number, because it is equal to n+sod(n) for n = 1205001983 and 1205002001.

It is a congruent 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, 96513 + ... + 108280.

Almost surely, 2^1205002012 is an apocalyptic number.

It is an amenable number.

1205002012 is a deficient number, since it is larger than the sum of its proper divisors (905195364).

1205002012 is a wasteful number, since it uses less digits than its factorization.

1205002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206268 (or 206266 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1205002012 is about 34713.1388958129. The cubic root of 1205002012 is about 1064.1330309762.

Adding to 1205002012 its reverse (2102005021), we get a palindrome (3307007033).

The spelling of 1205002012 in words is "one billion, two hundred five million, two thousand, twelve".