1211332202204 has 48 divisors (see below), whose sum is σ = 2141267794848. Its totient is φ = 599568703488.

The previous prime is 1211332202167. The next prime is 1211332202251. The reversal of 1211332202204 is 4022022331121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211332202204.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 408818027 + ... + 408820989.

It is an arithmetic number, because the mean of its divisors is an integer number (44609745726).

Almost surely, 2^{1211332202204} is an apocalyptic number.

It is an amenable number.

1211332202204 is a deficient number, since it is larger than the sum of its proper divisors (929935592644).

1211332202204 is a wasteful number, since it uses less digits than its factorization.

1211332202204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1211332202204 its reverse (4022022331121), we get a palindrome (5233354533325).

The spelling of 1211332202204 in words is "one trillion, two hundred eleven billion, three hundred thirty-two million, two hundred two thousand, two hundred four".