12121144221141 has 12 divisors (see below), whose sum is σ = 17613159668832. Its totient is φ = 8032375011816.

The previous prime is 12121144221119. The next prime is 12121144221161. The reversal of 12121144221141 is 14112244112121.

12121144221141 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 1 + 1 + 442 + 211 + 4 + 1 = 666.

It is not a de Polignac number, because 12121144221141 - 2⁶ = 12121144221077 is a prime.

It is a super-2 number, since 2×12121144221141² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121144221101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4032315271 + ... + 4032318276.

It is an arithmetic number, because the mean of its divisors is an integer number (1467763305736).

Almost surely, 2^{12121144221141} is an apocalyptic number.

It is an amenable number.

12121144221141 is a deficient number, since it is larger than the sum of its proper divisors (5492015447691).

12121144221141 is a wasteful number, since it uses less digits than its factorization.

12121144221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064633720 (or 8064633717 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

Adding to 12121144221141 its reverse (14112244112121), we get a palindrome (26233388333262).

The spelling of 12121144221141 in words is "twelve trillion, one hundred twenty-one billion, one hundred forty-four million, two hundred twenty-one thousand, one hundred forty-one".