1212100331113 has 8 divisors (see below), whose sum is σ = 1395223403840. Its totient is φ = 1031468729040.

The previous prime is 1212100331087. The next prime is 1212100331119. The reversal of 1212100331113 is 3111330012121.

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-1212100331113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212100331119) 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, 622866618 + ... + 622868563.

It is an arithmetic number, because the mean of its divisors is an integer number (174402925480).

Almost surely, 2^{1212100331113} is an apocalyptic number.

It is an amenable number.

1212100331113 is a deficient number, since it is larger than the sum of its proper divisors (183123072727).

1212100331113 is a wasteful number, since it uses less digits than its factorization.

1212100331113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245735327.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1212100331113 its reverse (3111330012121), we get a palindrome (4323430343234).

The spelling of 1212100331113 in words is "one trillion, two hundred twelve billion, one hundred million, three hundred thirty-one thousand, one hundred thirteen".