12142501101 has 10 divisors (see below), whose sum is σ = 18138798062. Its totient is φ = 8095000680.

The previous prime is 12142501093. The next prime is 12142501109. The reversal of 12142501101 is 10110524121.

12142501101 is a `hidden beast` number, since 1 + 21 + 42 + 501 + 101 = 666.

It is an interprime number because it is at equal distance from previous prime (12142501093) and next prime (12142501109).

It can be written as a sum of positive squares in only one way, i.e., 10878698601 + 1263802500 = 104301^2 + 35550^2 .

It is not a de Polignac number, because 12142501101 - 2³ = 12142501093 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 (12142501109) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74953630 + ... + 74953791.

Almost surely, 2^12142501101 is an apocalyptic number.

It is an amenable number.

12142501101 is a deficient number, since it is larger than the sum of its proper divisors (5996296961).

12142501101 is an equidigital number, since it uses as much as digits as its factorization.

12142501101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149907433 (or 149907424 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The spelling of 12142501101 in words is "twelve billion, one hundred forty-two million, five hundred one thousand, one hundred one".