1200300021212 has 48 divisors (see below), whose sum is σ = 2228594333952. Its totient is φ = 564481146240.

The previous prime is 1200300021209. The next prime is 1200300021227. The reversal of 1200300021212 is 2121200030021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953023 + ... + 2492969.

It is an arithmetic number, because the mean of its divisors is an integer number (46429048624).

Almost surely, 2^{1200300021212} is an apocalyptic number.

It is an amenable number.

1200300021212 is a deficient number, since it is larger than the sum of its proper divisors (1028294312740).

1200300021212 is a wasteful number, since it uses less digits than its factorization.

1200300021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540378 (or 540376 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1200300021212 its reverse (2121200030021), we get a palindrome (3321500051233).

The spelling of 1200300021212 in words is "one trillion, two hundred billion, three hundred million, twenty-one thousand, two hundred twelve".