42213031212444 has 12 divisors (see below), whose sum is σ = 98497072829064. Its totient is φ = 14071010404144.

The previous prime is 42213031212437. The next prime is 42213031212481. The reversal of 42213031212444 is 44421213031224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758876300507 + ... + 1758876300530.

It is an arithmetic number, because the mean of its divisors is an integer number (8208089402422).

Almost surely, 2^{42213031212444} is an apocalyptic number.

It is an amenable number.

42213031212444 is an abundant number, since it is smaller than the sum of its proper divisors (56284041616620).

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

42213031212444 is a wasteful number, since it uses less digits than its factorization.

42213031212444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517752601044 (or 3517752601042 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 42213031212444 its reverse (44421213031224), we get a palindrome (86634244243668).

The spelling of 42213031212444 in words is "forty-two trillion, two hundred thirteen billion, thirty-one million, two hundred twelve thousand, four hundred forty-four".