4123202213121 has 8 divisors (see below), whose sum is σ = 5497677159744. Its totient is φ = 2748764370960.

The previous prime is 4123202213099. The next prime is 4123202213147. The reversal of 4123202213121 is 1213122023214.

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

It is not a de Polignac number, because 4123202213121 - 2⁷ = 4123202212993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4123202213091 and 4123202213100.

It is not an unprimeable number, because it can be changed into a prime (4123202213191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9015781 + ... + 9462066.

It is an arithmetic number, because the mean of its divisors is an integer number (687209644968).

Almost surely, 2^{4123202213121} is an apocalyptic number.

It is an amenable number.

4123202213121 is a deficient number, since it is larger than the sum of its proper divisors (1374474946623).

4123202213121 is a wasteful number, since it uses less digits than its factorization.

4123202213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18552231.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 4123202213121 its reverse (1213122023214), we get a palindrome (5336324236335).

The spelling of 4123202213121 in words is "four trillion, one hundred twenty-three billion, two hundred two million, two hundred thirteen thousand, one hundred twenty-one".