212420103431122 has 4 divisors (see below), whose sum is σ = 318630155146686. Its totient is φ = 106210051715560.

The previous prime is 212420103431033. The next prime is 212420103431167. The reversal of 212420103431122 is 221134301024212.

212420103431122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 165265911425241 + 47154192005881 = 12855579^2 + 6866891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53105025857779 + ... + 53105025857782.

Almost surely, 2^{212420103431122} is an apocalyptic number.

212420103431122 is a deficient number, since it is larger than the sum of its proper divisors (106210051715564).

212420103431122 is a wasteful number, since it uses less digits than its factorization.

212420103431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106210051715563.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 212420103431122 its reverse (221134301024212), we get a palindrome (433554404455334).

The spelling of 212420103431122 in words is "two hundred twelve trillion, four hundred twenty billion, one hundred three million, four hundred thirty-one thousand, one hundred twenty-two".