212342141 has 16 divisors (see below), whose sum is σ = 243105408. Its totient is φ = 183585600.

The previous prime is 212342131. The next prime is 212342153. The reversal of 212342141 is 141243212.

212342141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212342141 - 2¹⁰ = 212341117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212342101) 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, 43475 + ... + 48111.

It is an arithmetic number, because the mean of its divisors is an integer number (15194088).

Almost surely, 2^212342141 is an apocalyptic number.

It is an amenable number.

212342141 is a deficient number, since it is larger than the sum of its proper divisors (30763267).

212342141 is a wasteful number, since it uses less digits than its factorization.

212342141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852.

The product of its digits is 384, while the sum is 20.

The square root of 212342141 is about 14571.9642121438. The cubic root of 212342141 is about 596.5937930343.

Adding to 212342141 its reverse (141243212), we get a palindrome (353585353).

The spelling of 212342141 in words is "two hundred twelve million, three hundred forty-two thousand, one hundred forty-one".