12121111001110 has 8 divisors (see below), whose sum is σ = 21817999802016. Its totient is φ = 4848444400440.

The previous prime is 12121111001099. The next prime is 12121111001137. The reversal of 12121111001110 is 1110011112121.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 606055550046 + ... + 606055550065.

It is an arithmetic number, because the mean of its divisors is an integer number (2727249975252).

Almost surely, 2^{12121111001110} is an apocalyptic number.

12121111001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121111001110 is a deficient number, since it is larger than the sum of its proper divisors (9696888800906).

12121111001110 is a wasteful number, since it uses less digits than its factorization.

12121111001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212111100118.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 12121111001110 its reverse (1110011112121), we get a palindrome (13231122113231).

The spelling of 12121111001110 in words is "twelve trillion, one hundred twenty-one billion, one hundred eleven million, one thousand, one hundred ten".