1200211221230 has 64 divisors (see below), whose sum is σ = 2474455333248. Its totient is φ = 410593328640.

The previous prime is 1200211221227. The next prime is 1200211221299. The reversal of 1200211221230 is 321221120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200211221199 and 1200211221208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188324324 + ... + 188330696.

It is an arithmetic number, because the mean of its divisors is an integer number (38663364582).

Almost surely, 2^{1200211221230} is an apocalyptic number.

1200211221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200211221230 is an abundant number, since it is smaller than the sum of its proper divisors (1274244112018).

1200211221230 is a wasteful number, since it uses less digits than its factorization.

1200211221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11901.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1200211221230 its reverse (321221120021), we get a palindrome (1521432341251).

The spelling of 1200211221230 in words is "one trillion, two hundred billion, two hundred eleven million, two hundred twenty-one thousand, two hundred thirty".