73133122100212 has 12 divisors (see below), whose sum is σ = 135511373303460. Its totient is φ = 34415586870656.

The previous prime is 73133122100191. The next prime is 73133122100237. The reversal of 73133122100212 is 21200122133137.

It can be written as a sum of positive squares in 2 ways, for example, as 36377954839396 + 36755167260816 = 6031414^2 + 6062604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537743544787 + ... + 537743544922.

It is an arithmetic number, because the mean of its divisors is an integer number (11292614441955).

Almost surely, 2^{73133122100212} is an apocalyptic number.

It is an amenable number.

73133122100212 is a deficient number, since it is larger than the sum of its proper divisors (62378251203248).

73133122100212 is a wasteful number, since it uses less digits than its factorization.

73133122100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075487089730 (or 1075487089728 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 73133122100212 its reverse (21200122133137), we get a palindrome (94333244233349).

The spelling of 73133122100212 in words is "seventy-three trillion, one hundred thirty-three billion, one hundred twenty-two million, one hundred thousand, two hundred twelve".