212232103121 has 8 divisors (see below), whose sum is σ = 215232458688. Its totient is φ = 209232058000.

The previous prime is 212232103033. The next prime is 212232103159. The reversal of 212232103121 is 121301232212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212232103121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212232103093 and 212232103102.

It is not an unprimeable number, because it can be changed into a prime (212232103921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534106 + ... + 1666716.

It is an arithmetic number, because the mean of its divisors is an integer number (26904057336).

Almost surely, 2^212232103121 is an apocalyptic number.

It is an amenable number.

212232103121 is a deficient number, since it is larger than the sum of its proper divisors (3000355567).

212232103121 is a wasteful number, since it uses less digits than its factorization.

212232103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155223.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212232103121 its reverse (121301232212), we get a palindrome (333533335333).

The spelling of 212232103121 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty-one".