12161032151250 has 320 divisors, whose sum is σ = 33225891811200. Its totient is φ = 2954649600000.

The previous prime is 12161032151207. The next prime is 12161032151251. The reversal of 12161032151250 is 5215123016121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12161032151251) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 531014800 + ... + 531037700.

It is an arithmetic number, because the mean of its divisors is an integer number (103830911910).

Almost surely, 2^{12161032151250} is an apocalyptic number.

12161032151250 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 12161032151250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16612945905600).

12161032151250 is an abundant number, since it is smaller than the sum of its proper divisors (21064859659950).

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

12161032151250 is a wasteful number, since it uses less digits than its factorization.

12161032151250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23231 (or 23216 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 12161032151250 its reverse (5215123016121), we get a palindrome (17376155167371).

The spelling of 12161032151250 in words is "twelve trillion, one hundred sixty-one billion, thirty-two million, one hundred fifty-one thousand, two hundred fifty".