12041210142 has 64 divisors (see below), whose sum is σ = 29000381760. Its totient is φ = 3681355392.

The previous prime is 12041210087. The next prime is 12041210161. The reversal of 12041210142 is 24101214021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55588 + ... + 164840.

It is an arithmetic number, because the mean of its divisors is an integer number (453130965).

Almost surely, 2^12041210142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12041210142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14500190880).

12041210142 is an abundant number, since it is smaller than the sum of its proper divisors (16959171618).

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

12041210142 is a wasteful number, since it uses less digits than its factorization.

12041210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109434 (or 109428 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12041210142 its reverse (24101214021), we get a palindrome (36142424163).

It can be divided in two parts, 1204 and 1210142, that added together give a triangular number (1211346 = T₁₅₅₆).

The spelling of 12041210142 in words is "twelve billion, forty-one million, two hundred ten thousand, one hundred forty-two".