12102341142 has 16 divisors (see below), whose sum is σ = 24767582400. Its totient is φ = 3940297032.

The previous prime is 12102341107. The next prime is 12102341143. The reversal of 12102341142 is 24114320121.

It is a super-2 number, since 2×12102341142² (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 (12102341143) 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, 23453892 + ... + 23454407.

It is an arithmetic number, because the mean of its divisors is an integer number (1547973900).

Almost surely, 2^12102341142 is an apocalyptic number.

12102341142 is an abundant number, since it is smaller than the sum of its proper divisors (12665241258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102341142 is a wasteful number, since it uses less digits than its factorization.

12102341142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46908347.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12102341142 its reverse (24114320121), we get a palindrome (36216661263).

It can be divided in two parts, 121023 and 41142, that added together give a triangular number (162165 = T₅₆₉).

The spelling of 12102341142 in words is "twelve billion, one hundred two million, three hundred forty-one thousand, one hundred forty-two".