12101121011213 has 8 divisors (see below), whose sum is σ = 13032041906688. Its totient is φ = 11170209463344.

The previous prime is 12101121011113. The next prime is 12101121011251. The reversal of 12101121011213 is 31211012110121.

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 12101121011213 - 2¹⁰ = 12101121010189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101121011191 and 12101121011200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101121011113) 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 7 ways as a sum of consecutive naturals, for example, 477356 + ... + 4942682.

It is an arithmetic number, because the mean of its divisors is an integer number (1629005238336).

Almost surely, 2^{12101121011213} is an apocalyptic number.

12101121011213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12101121011213 is a deficient number, since it is larger than the sum of its proper divisors (930920895475).

12101121011213 is a wasteful number, since it uses less digits than its factorization.

12101121011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673803.

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

Adding to 12101121011213 its reverse (31211012110121), we get a palindrome (43312133121334).

The spelling of 12101121011213 in words is "twelve trillion, one hundred one billion, one hundred twenty-one million, eleven thousand, two hundred thirteen".