1211210012204 has 24 divisors (see below), whose sum is σ = 2121978554640. Its totient is φ = 604930586624.

The previous prime is 1211210012203. The next prime is 1211210012219. The reversal of 1211210012204 is 4022100121121.

It is not an unprimeable number, because it can be changed into a prime (1211210012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41532092 + ... + 41561244.

It is an arithmetic number, because the mean of its divisors is an integer number (88415773110).

Almost surely, 2^{1211210012204} is an apocalyptic number.

It is an amenable number.

1211210012204 is a deficient number, since it is larger than the sum of its proper divisors (910768542436).

1211210012204 is a wasteful number, since it uses less digits than its factorization.

1211210012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40369 (or 40367 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211210012204 its reverse (4022100121121), we get a palindrome (5233310133325).

The spelling of 1211210012204 in words is "one trillion, two hundred eleven billion, two hundred ten million, twelve thousand, two hundred four".