15212846252142 has 192 divisors, whose sum is σ = 41166235828224. Its totient is φ = 3944491629120.

The previous prime is 15212846252113. The next prime is 15212846252159. The reversal of 15212846252142 is 24125264821251.

15212846252142 is a `hidden beast` number, since 1 + 5 + 2 + 1 + 2 + 8 + 4 + 625 + 2 + 14 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2693966763 + ... + 2693972409.

It is an arithmetic number, because the mean of its divisors is an integer number (214407478272).

Almost surely, 2^{15212846252142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15212846252142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20583117914112).

15212846252142 is an abundant number, since it is smaller than the sum of its proper divisors (25953389576082).

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

15212846252142 is a wasteful number, since it uses less digits than its factorization.

15212846252142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723 (or 8720 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The spelling of 15212846252142 in words is "fifteen trillion, two hundred twelve billion, eight hundred forty-six million, two hundred fifty-two thousand, one hundred forty-two".