1212112110011 has 8 divisors (see below), whose sum is σ = 1329155439024. Its totient is φ = 1096210667520.

The previous prime is 1212112109977. The next prime is 1212112110023. The reversal of 1212112110011 is 1100112112121.

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 1212112110011 - 2¹⁸ = 1212111847867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212112110091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285469406 + ... + 285473651.

It is an arithmetic number, because the mean of its divisors is an integer number (166144429878).

Almost surely, 2^{1212112110011} is an apocalyptic number.

1212112110011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212112110011 is a deficient number, since it is larger than the sum of its proper divisors (117043329013).

1212112110011 is a wasteful number, since it uses less digits than its factorization.

1212112110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570943261.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1212112110011 its reverse (1100112112121), we get a palindrome (2312224222132).

The spelling of 1212112110011 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one hundred ten thousand, eleven".