212442141121 has 16 divisors (see below), whose sum is σ = 245135313280. Its totient is φ = 180336637440.

The previous prime is 212442141103. The next prime is 212442141157. The reversal of 212442141121 is 121141244212.

It is a cyclic number.

It is not a de Polignac number, because 212442141121 - 2⁵ = 212442141089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212442141161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560625 + ... + 1691281.

It is an arithmetic number, because the mean of its divisors is an integer number (15320957080).

Almost surely, 2^212442141121 is an apocalyptic number.

It is an amenable number.

212442141121 is a deficient number, since it is larger than the sum of its proper divisors (32693172159).

212442141121 is a wasteful number, since it uses less digits than its factorization.

212442141121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132904.

The product of its digits is 1024, while the sum is 25.

Adding to 212442141121 its reverse (121141244212), we get a palindrome (333583385333).

The spelling of 212442141121 in words is "two hundred twelve billion, four hundred forty-two million, one hundred forty-one thousand, one hundred twenty-one".