1211210304104 has 32 divisors (see below), whose sum is σ = 2302058404800. Its totient is φ = 597383429760.

The previous prime is 1211210304103. The next prime is 1211210304221. The reversal of 1211210304104 is 4014030121121.

It is not an unprimeable number, because it can be changed into a prime (1211210304103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285269 + ... + 3635300.

It is an arithmetic number, because the mean of its divisors is an integer number (71939325150).

Almost surely, 2^{1211210304104} is an apocalyptic number.

It is an amenable number.

1211210304104 is a deficient number, since it is larger than the sum of its proper divisors (1090848100696).

1211210304104 is a wasteful number, since it uses less digits than its factorization.

1211210304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920873 (or 6920869 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1211210304104 its reverse (4014030121121), we get a palindrome (5225240425225).

The spelling of 1211210304104 in words is "one trillion, two hundred eleven billion, two hundred ten million, three hundred four thousand, one hundred four".