5196172081212 has 432 divisors, whose sum is σ = 16272551000160. Its totient is φ = 1391312692224.

The previous prime is 5196172081189. The next prime is 5196172081259. The reversal of 5196172081212 is 2121802716915.

5196172081212 is a `hidden beast` number, since 5 + 1 + 9 + 617 + 2 + 0 + 8 + 1 + 21 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 838494898 + ... + 838501094.

It is an arithmetic number, because the mean of its divisors is an integer number (37667942130).

Almost surely, 2^{5196172081212} 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 5196172081212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8136275500080).

5196172081212 is an abundant number, since it is smaller than the sum of its proper divisors (11076378918948).

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

5196172081212 is a wasteful number, since it uses less digits than its factorization.

5196172081212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730 (or 6718 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 5196172081212 in words is "five trillion, one hundred ninety-six billion, one hundred seventy-two million, eighty-one thousand, two hundred twelve".