1213400110012 has 12 divisors (see below), whose sum is σ = 2132334923040. Its totient is φ = 604161560576.

The previous prime is 1213400109947. The next prime is 1213400110019. The reversal of 1213400110012 is 2100110043121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213400110019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 634622533 + ... + 634624444.

It is an arithmetic number, because the mean of its divisors is an integer number (177694576920).

Almost surely, 2^{1213400110012} is an apocalyptic number.

It is an amenable number.

1213400110012 is a deficient number, since it is larger than the sum of its proper divisors (918934813028).

1213400110012 is a wasteful number, since it uses less digits than its factorization.

1213400110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269247220 (or 1269247218 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1213400110012 its reverse (2100110043121), we get a palindrome (3313510153133).

The spelling of 1213400110012 in words is "one trillion, two hundred thirteen billion, four hundred million, one hundred ten thousand, twelve".