1213230204104 has 8 divisors (see below), whose sum is σ = 2274806632710. Its totient is φ = 606615102048.

The previous prime is 1213230204103. The next prime is 1213230204113. The reversal of 1213230204104 is 4014020323121.

It can be written as a sum of positive squares in only one way, i.e., 1202307864004 + 10922340100 = 1096498^2 + 104510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1213230204104.

It is not an unprimeable number, because it can be changed into a prime (1213230204103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75826887749 + ... + 75826887764.

Almost surely, 2^{1213230204104} is an apocalyptic number.

It is an amenable number.

1213230204104 is a deficient number, since it is larger than the sum of its proper divisors (1061576428606).

1213230204104 is a wasteful number, since it uses less digits than its factorization.

1213230204104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151653775519 (or 151653775515 counting only the distinct ones).

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

Adding to 1213230204104 its reverse (4014020323121), we get a palindrome (5227250527225).

The spelling of 1213230204104 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, two hundred four thousand, one hundred four".