231212102011441 has 2 divisors, whose sum is σ = 231212102011442. Its totient is φ = 231212102011440.

The previous prime is 231212102011433. The next prime is 231212102011483. The reversal of 231212102011441 is 144110201212132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177744783753216 + 53467318258225 = 13332096^2 + 7312135^2 .

It is a cyclic number.

It is not a de Polignac number, because 231212102011441 - 2³ = 231212102011433 is a prime.

It is a super-2 number, since 2×231212102011441² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231212102011841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115606051005720 + 115606051005721.

It is an arithmetic number, because the mean of its divisors is an integer number (115606051005721).

Almost surely, 2^{231212102011441} is an apocalyptic number.

It is an amenable number.

231212102011441 is a deficient number, since it is larger than the sum of its proper divisors (1).

231212102011441 is an equidigital number, since it uses as much as digits as its factorization.

231212102011441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 231212102011441 its reverse (144110201212132), we get a palindrome (375322303223573).

The spelling of 231212102011441 in words is "two hundred thirty-one trillion, two hundred twelve billion, one hundred two million, eleven thousand, four hundred forty-one".