12950172319950 has 384 divisors, whose sum is σ = 38196634544640. Its totient is φ = 3214842624000.

The previous prime is 12950172319939. The next prime is 12950172319951. The reversal of 12950172319950 is 5991327105921.

It is a happy number.

12950172319950 is a `hidden beast` number, since 1 + 2 + 9 + 501 + 72 + 3 + 19 + 9 + 50 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12950172319951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1721406889 + ... + 1721414411.

It is an arithmetic number, because the mean of its divisors is an integer number (99470402460).

Almost surely, 2^{12950172319950} is an apocalyptic number.

12950172319950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12950172319950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19098317272320).

12950172319950 is an abundant number, since it is smaller than the sum of its proper divisors (25246462224690).

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

12950172319950 is a wasteful number, since it uses less digits than its factorization.

12950172319950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369 (or 8358 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 54.

The spelling of 12950172319950 in words is "twelve trillion, nine hundred fifty billion, one hundred seventy-two million, three hundred nineteen thousand, nine hundred fifty".