1211243300104 has 16 divisors (see below), whose sum is σ = 2271092861520. Its totient is φ = 605618537040.

The previous prime is 1211243300101. The next prime is 1211243300143. The reversal of 1211243300104 is 4010033421121.

It is a super-2 number, since 2×1211243300104² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211243300101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886187 + ... + 3279109.

It is an arithmetic number, because the mean of its divisors is an integer number (141943303845).

Almost surely, 2^{1211243300104} is an apocalyptic number.

It is an amenable number.

1211243300104 is a deficient number, since it is larger than the sum of its proper divisors (1059849561416).

1211243300104 is a wasteful number, since it uses less digits than its factorization.

1211243300104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778260 (or 778256 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1211243300104 its reverse (4010033421121), we get a palindrome (5221276721225).

The spelling of 1211243300104 in words is "one trillion, two hundred eleven billion, two hundred forty-three million, three hundred thousand, one hundred four".