2142432420112 has 40 divisors (see below), whose sum is σ = 4153740692192. Its totient is φ = 1070499628800.

The previous prime is 2142432420103. The next prime is 2142432420127. The reversal of 2142432420112 is 2110242342412.

It is a super-2 number, since 2×2142432420112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190314388 + ... + 190325644.

Almost surely, 2^{2142432420112} is an apocalyptic number.

It is an amenable number.

2142432420112 is a deficient number, since it is larger than the sum of its proper divisors (2011308272080).

2142432420112 is a wasteful number, since it uses less digits than its factorization.

2142432420112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18167 (or 18161 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2142432420112 its reverse (2110242342412), we get a palindrome (4252674762524).

The spelling of 2142432420112 in words is "two trillion, one hundred forty-two billion, four hundred thirty-two million, four hundred twenty thousand, one hundred twelve".