12100053142 has 4 divisors (see below), whose sum is σ = 18150079716. Its totient is φ = 6050026570.

The previous prime is 12100053139. The next prime is 12100053149. The reversal of 12100053142 is 24135000121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24135000121 = 31 ⋅778548391.

It is a super-2 number, since 2×12100053142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100053149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025013284 + ... + 3025013287.

It is an arithmetic number, because the mean of its divisors is an integer number (4537519929).

Almost surely, 2^12100053142 is an apocalyptic number.

12100053142 is a deficient number, since it is larger than the sum of its proper divisors (6050026574).

12100053142 is an equidigital number, since it uses as much as digits as its factorization.

12100053142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050026573.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12100053142 its reverse (24135000121), we get a palindrome (36235053263).

The spelling of 12100053142 in words is "twelve billion, one hundred million, fifty-three thousand, one hundred forty-two".