36172081498212 has 384 divisors, whose sum is σ = 109313757020160. Its totient is φ = 10239638976000.

The previous prime is 36172081498193. The next prime is 36172081498279. The reversal of 36172081498212 is 21289418027163.

36172081498212 is a `hidden beast` number, since 3 + 6 + 1 + 72 + 0 + 81 + 498 + 2 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 172950262 + ... + 173159282.

It is an arithmetic number, because the mean of its divisors is an integer number (284671242240).

Almost surely, 2^{36172081498212} 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 36172081498212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54656878510080).

36172081498212 is an abundant number, since it is smaller than the sum of its proper divisors (73141675521948).

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

36172081498212 is a wasteful number, since it uses less digits than its factorization.

36172081498212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209240 (or 209232 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 36172081498212 in words is "thirty-six trillion, one hundred seventy-two billion, eighty-one million, four hundred ninety-eight thousand, two hundred twelve".