212424044145 has 16 divisors (see below), whose sum is σ = 340645701312. Its totient is φ = 113037080000.

The previous prime is 212424044143. The next prime is 212424044179. The reversal of 212424044145 is 541440424212.

It is not a de Polignac number, because 212424044145 - 2¹ = 212424044143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212424044143) 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, 15977106 + ... + 15990395.

It is an arithmetic number, because the mean of its divisors is an integer number (21290356332).

Almost surely, 2^212424044145 is an apocalyptic number.

It is an amenable number.

212424044145 is a deficient number, since it is larger than the sum of its proper divisors (128221657167).

212424044145 is a wasteful number, since it uses less digits than its factorization.

212424044145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31967952.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 212424044145 its reverse (541440424212), we get a palindrome (753864468357).

The spelling of 212424044145 in words is "two hundred twelve billion, four hundred twenty-four million, forty-four thousand, one hundred forty-five".