73163130012 has 192 divisors, whose sum is σ = 218613857280. Its totient is φ = 20727705600.

The previous prime is 73163129983. The next prime is 73163130013. The reversal of 73163130012 is 21003136137.

73163130012 is a `hidden beast` number, since 7 + 316 + 31 + 300 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73163130013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53756212 + ... + 53757572.

It is an arithmetic number, because the mean of its divisors is an integer number (1138613840).

Almost surely, 2^73163130012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73163130012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109306928640).

73163130012 is an abundant number, since it is smaller than the sum of its proper divisors (145450727268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73163130012 is a wasteful number, since it uses less digits than its factorization.

73163130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

Adding to 73163130012 its reverse (21003136137), we get a palindrome (94166266149).

The spelling of 73163130012 in words is "seventy-three billion, one hundred sixty-three million, one hundred thirty thousand, twelve".