12100157 has 8 divisors (see below), whose sum is σ = 12429120. Its totient is φ = 11773440.

The previous prime is 12100111. The next prime is 12100159. The reversal of 12100157 is 75100121.

12100157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12100157 - 2¹⁰ = 12099133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100159) 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, 18557 + ... + 19197.

It is an arithmetic number, because the mean of its divisors is an integer number (1553640).

Almost surely, 2^12100157 is an apocalyptic number.

It is an amenable number.

12100157 is a deficient number, since it is larger than the sum of its proper divisors (328963).

12100157 is an equidigital number, since it uses as much as digits as its factorization.

12100157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 12100157 is about 3478.5279932753. The cubic root of 12100157 is about 229.5780353988.

Adding to 12100157 its reverse (75100121), we get a palindrome (87200278).

The spelling of 12100157 in words is "twelve million, one hundred thousand, one hundred fifty-seven".