442012140223412 has 24 divisors (see below), whose sum is σ = 843844164714432. Its totient is φ = 200913941072000.

The previous prime is 442012140223403. The next prime is 442012140223453. The reversal of 442012140223412 is 214322041210244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198464 + ... + 29904087.

It is an arithmetic number, because the mean of its divisors is an integer number (35160173529768).

Almost surely, 2^{442012140223412} is an apocalyptic number.

It is an amenable number.

442012140223412 is a deficient number, since it is larger than the sum of its proper divisors (401832024491020).

442012140223412 is a wasteful number, since it uses less digits than its factorization.

442012140223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33406039 (or 33406037 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 442012140223412 its reverse (214322041210244), we get a palindrome (656334181433656).

The spelling of 442012140223412 in words is "four hundred forty-two trillion, twelve billion, one hundred forty million, two hundred twenty-three thousand, four hundred twelve".