1012112111213 has 8 divisors (see below), whose sum is σ = 1158290620032. Its totient is φ = 866331368496.

The previous prime is 1012112111207. The next prime is 1012112111221. The reversal of 1012112111213 is 3121112112101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012112111213 - 2³⁰ = 1011038369389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012112111191 and 1012112111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99436070 + ... + 99446247.

It is an arithmetic number, because the mean of its divisors is an integer number (144786327504).

Almost surely, 2^{1012112111213} is an apocalyptic number.

It is an amenable number.

1012112111213 is a deficient number, since it is larger than the sum of its proper divisors (146178508819).

1012112111213 is an equidigital number, since it uses as much as digits as its factorization.

1012112111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198883051.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1012112111213 its reverse (3121112112101), we get a palindrome (4133224223314).

The spelling of 1012112111213 in words is "one trillion, twelve billion, one hundred twelve million, one hundred eleven thousand, two hundred thirteen".