1212001110013 has 2 divisors, whose sum is σ = 1212001110014. Its totient is φ = 1212001110012.

The previous prime is 1212001110007. The next prime is 1212001110041. The reversal of 1212001110013 is 3100111002121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1145332320804 + 66668789209 = 1070202^2 + 258203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212001110013 - 2⁵ = 1212001109981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212001109975 and 1212001110002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212001110043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000555006 + 606000555007.

It is an arithmetic number, because the mean of its divisors is an integer number (606000555007).

Almost surely, 2^{1212001110013} is an apocalyptic number.

It is an amenable number.

1212001110013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212001110013 is an equidigital number, since it uses as much as digits as its factorization.

1212001110013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1212001110013 its reverse (3100111002121), we get a palindrome (4312112112134).

The spelling of 1212001110013 in words is "one trillion, two hundred twelve billion, one million, one hundred ten thousand, thirteen".