20012310212122 has 16 divisors (see below), whose sum is σ = 30447640107720. Its totient is φ = 9864028819008.

The previous prime is 20012310212119. The next prime is 20012310212143. The reversal of 20012310212122 is 22121201321002.

It can be written as a sum of positive squares in 4 ways, for example, as 19797347235241 + 214962976881 = 4449421^2 + 463641^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20012310212122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232950933 + ... + 233036824.

Almost surely, 2^{20012310212122} is an apocalyptic number.

20012310212122 is a deficient number, since it is larger than the sum of its proper divisors (10435329895598).

20012310212122 is a wasteful number, since it uses less digits than its factorization.

20012310212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465988065.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20012310212122 its reverse (22121201321002), we get a palindrome (42133511533124).

The spelling of 20012310212122 in words is "twenty trillion, twelve billion, three hundred ten million, two hundred twelve thousand, one hundred twenty-two".