1212200201204 has 12 divisors (see below), whose sum is σ = 2121404604228. Its totient is φ = 606084600000.

The previous prime is 1212200201161. The next prime is 1212200201209. The reversal of 1212200201204 is 4021020022121.

It can be written as a sum of positive squares in 2 ways, for example, as 753128908900 + 459071292304 = 867830^2 + 677548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212200201209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698297 + ... + 4012704.

It is an arithmetic number, because the mean of its divisors is an integer number (176783717019).

Almost surely, 2^{1212200201204} is an apocalyptic number.

It is an amenable number.

1212200201204 is a deficient number, since it is larger than the sum of its proper divisors (909204403024).

1212200201204 is a wasteful number, since it uses less digits than its factorization.

1212200201204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750306 (or 7750304 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212200201204 its reverse (4021020022121), we get a palindrome (5233220223325).

The spelling of 1212200201204 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred one thousand, two hundred four".