12121000001121 has 32 divisors (see below), whose sum is σ = 17683010352000. Its totient is φ = 7324204884480.

The previous prime is 12121000001107. The next prime is 12121000001167. The reversal of 12121000001121 is 12110000012121.

It is not a de Polignac number, because 12121000001121 - 2⁶ = 12121000001057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121000001097 and 12121000001106.

It is not an unprimeable number, because it can be changed into a prime (12121000001171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114299295 + ... + 114405291.

It is an arithmetic number, because the mean of its divisors is an integer number (552594073500).

Almost surely, 2^{12121000001121} is an apocalyptic number.

12121000001121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12121000001121 is a deficient number, since it is larger than the sum of its proper divisors (5562010350879).

12121000001121 is a wasteful number, since it uses less digits than its factorization.

12121000001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116289.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121000001121 its reverse (12110000012121), we get a palindrome (24231000013242).

The spelling of 12121000001121 in words is "twelve trillion, one hundred twenty-one billion, one thousand, one hundred twenty-one".