1200312212 has 12 divisors (see below), whose sum is σ = 2291505216. Its totient is φ = 545596440.

The previous prime is 1200312173. The next prime is 1200312229. The reversal of 1200312212 is 2122130021.

It is a happy number.

It is a super-3 number, since 3×1200312212³ (a number of 28 digits) contains 333 as substring.

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, 13639868 + ... + 13639955.

It is an arithmetic number, because the mean of its divisors is an integer number (190958768).

Almost surely, 2^1200312212 is an apocalyptic number.

It is an amenable number.

1200312212 is a deficient number, since it is larger than the sum of its proper divisors (1091193004).

1200312212 is a wasteful number, since it uses less digits than its factorization.

1200312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27279838 (or 27279836 counting only the distinct ones).

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

The square root of 1200312212 is about 34645.5222503573. The cubic root of 1200312212 is about 1062.7507208459.

Adding to 1200312212 its reverse (2122130021), we get a palindrome (3322442233).

The spelling of 1200312212 in words is "one billion, two hundred million, three hundred twelve thousand, two hundred twelve".