243211412042141 has 8 divisors (see below), whose sum is σ = 243245417896440. Its totient is φ = 243177406943488.

The previous prime is 243211412042101. The next prime is 243211412042233. The reversal of 243211412042141 is 141240214112342.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34928643722116 + 208282768320025 = 5910046^2 + 14432005^2 .

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-243211412042141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243211412042098 and 243211412042107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243211412042101) 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, 1009906355 + ... + 1010147151.

It is an arithmetic number, because the mean of its divisors is an integer number (30405677237055).

Almost surely, 2^{243211412042141} is an apocalyptic number.

It is an amenable number.

243211412042141 is a deficient number, since it is larger than the sum of its proper divisors (34005854299).

243211412042141 is a wasteful number, since it uses less digits than its factorization.

243211412042141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377823.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 243211412042141 its reverse (141240214112342), we get a palindrome (384451626154483).

The spelling of 243211412042141 in words is "two hundred forty-three trillion, two hundred eleven billion, four hundred twelve million, forty-two thousand, one hundred forty-one".