1212120100013 has 8 divisors (see below), whose sum is σ = 1219626058560. Its totient is φ = 1204637273280.

The previous prime is 1212120099979. The next prime is 1212120100019. The reversal of 1212120100013 is 3100010212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212120100013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212120100019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5677823 + ... + 5887436.

It is an arithmetic number, because the mean of its divisors is an integer number (152453257320).

Almost surely, 2^{1212120100013} is an apocalyptic number.

It is an amenable number.

1212120100013 is a deficient number, since it is larger than the sum of its proper divisors (7505958547).

1212120100013 is a wasteful number, since it uses less digits than its factorization.

1212120100013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565907.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1212120100013 its reverse (3100010212121), we get a palindrome (4312130312134).

The spelling of 1212120100013 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred thousand, thirteen".