1200211001200 has 30 divisors (see below), whose sum is σ = 2883506931344. Its totient is φ = 480084400320.

The previous prime is 1200211001147. The next prime is 1200211001219. The reversal of 1200211001200 is 21001120021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500263352 + ... + 1500264151.

Almost surely, 2^{1200211001200} is an apocalyptic number.

1200211001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200211001200 is an abundant number, since it is smaller than the sum of its proper divisors (1683295930144).

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

1200211001200 is a wasteful number, since it uses less digits than its factorization.

1200211001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000527521 (or 3000527510 counting only the distinct ones).

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

Adding to 1200211001200 its reverse (21001120021), we get a palindrome (1221212121221).

The spelling of 1200211001200 in words is "one trillion, two hundred billion, two hundred eleven million, one thousand, two hundred".