1210202312104 has 8 divisors (see below), whose sum is σ = 2269129335210. Its totient is φ = 605101156048.

The previous prime is 1210202312101. The next prime is 1210202312129. The reversal of 1210202312104 is 4012132020121.

It can be written as a sum of positive squares in only one way, i.e., 810270022500 + 399932289604 = 900150^2 + 632402^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1210202312101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75637644499 + ... + 75637644514.

Almost surely, 2^{1210202312104} is an apocalyptic number.

It is an amenable number.

1210202312104 is a deficient number, since it is larger than the sum of its proper divisors (1058927023106).

1210202312104 is a wasteful number, since it uses less digits than its factorization.

1210202312104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151275289019 (or 151275289015 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1210202312104 its reverse (4012132020121), we get a palindrome (5222334332225).

The spelling of 1210202312104 in words is "one trillion, two hundred ten billion, two hundred two million, three hundred twelve thousand, one hundred four".