12042142032 has 80 divisors (see below), whose sum is σ = 33198446592. Its totient is φ = 3748147200.

The previous prime is 12042142027. The next prime is 12042142061. The reversal of 12042142032 is 23024124021.

It is a super-2 number, since 2×12042142032² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45532 + ... + 161732.

Almost surely, 2^12042142032 is an apocalyptic number.

12042142032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12042142032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16599223296).

12042142032 is an abundant number, since it is smaller than the sum of its proper divisors (21156304560).

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

12042142032 is a wasteful number, since it uses less digits than its factorization.

12042142032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116356 (or 116350 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12042142032 its reverse (23024124021), we get a palindrome (35066266053).

The spelling of 12042142032 in words is "twelve billion, forty-two million, one hundred forty-two thousand, thirty-two".