1200211012 has 96 divisors (see below), whose sum is σ = 2886073344. Its totient is φ = 421545600.

The previous prime is 1200211007. The next prime is 1200211021. The reversal of 1200211012 is 2101120021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200211012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168687 + ... + 175657.

It is an arithmetic number, because the mean of its divisors is an integer number (30063264).

Almost surely, 2^1200211012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443036672).

1200211012 is an abundant number, since it is smaller than the sum of its proper divisors (1685862332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200211012 is a wasteful number, since it uses less digits than its factorization.

1200211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049 (or 7047 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1200211012 is about 34644.0617133730. The cubic root of 1200211012 is about 1062.7208526737.

Adding to 1200211012 its reverse (2101120021), we get a palindrome (3301331033).

Subtracting 1200211012 from its reverse (2101120021), we obtain a palindrome (900909009).

It can be divided in two parts, 1200 and 211012, that added together give a palindrome (212212).

The spelling of 1200211012 in words is "one billion, two hundred million, two hundred eleven thousand, twelve".