12251230151121 has 12 divisors (see below), whose sum is σ = 19057469124148. Its totient is φ = 7539218554464.

The previous prime is 12251230151089. The next prime is 12251230151137. The reversal of 12251230151121 is 12115103215221.

12251230151121 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 123 + 0 + 1 + 511 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6453555948225 + 5797674202896 = 2540385^2 + 2407836^2 .

It is not a de Polignac number, because 12251230151121 - 2⁵ = 12251230151089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12251230151021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52355684290 + ... + 52355684523.

Almost surely, 2^{12251230151121} is an apocalyptic number.

It is an amenable number.

12251230151121 is a deficient number, since it is larger than the sum of its proper divisors (6806238973027).

12251230151121 is a wasteful number, since it uses less digits than its factorization.

12251230151121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104711368832 (or 104711368829 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 12251230151121 its reverse (12115103215221), we get a palindrome (24366333366342).

The spelling of 12251230151121 in words is "twelve trillion, two hundred fifty-one billion, two hundred thirty million, one hundred fifty-one thousand, one hundred twenty-one".