12000157 has 8 divisors (see below), whose sum is σ = 13045536. Its totient is φ = 10972272.

The previous prime is 12000133. The next prime is 12000239. The reversal of 12000157 is 75100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12000157 - 2⁷ = 12000029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12000157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923 + ... + 5704.

It is an arithmetic number, because the mean of its divisors is an integer number (1630692).

Almost surely, 2^12000157 is an apocalyptic number.

It is an amenable number.

12000157 is a deficient number, since it is larger than the sum of its proper divisors (1045379).

12000157 is a wasteful number, since it uses less digits than its factorization.

12000157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 12000157 is about 3464.1242760617. The cubic root of 12000157 is about 228.9438469515.

Adding to 12000157 its reverse (75100021), we get a palindrome (87100178).

The spelling of 12000157 in words is "twelve million, one hundred fifty-seven", and thus it is an aban number.