7212443423742 has 96 divisors (see below), whose sum is σ = 16288107264000. Its totient is φ = 2303959913280.

The previous prime is 7212443423737. The next prime is 7212443423819. The reversal of 7212443423742 is 2473243442127.

7212443423742 is a `hidden beast` number, since 7 + 2 + 1 + 244 + 34 + 2 + 374 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164109823 + ... + 164153765.

It is an arithmetic number, because the mean of its divisors is an integer number (169667784000).

Almost surely, 2^{7212443423742} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7212443423742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8144053632000).

7212443423742 is an abundant number, since it is smaller than the sum of its proper divisors (9075663840258).

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

7212443423742 is a wasteful number, since it uses less digits than its factorization.

7212443423742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46838 (or 46835 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 45.

Adding to 7212443423742 its reverse (2473243442127), we get a palindrome (9685686865869).

The spelling of 7212443423742 in words is "seven trillion, two hundred twelve billion, four hundred forty-three million, four hundred twenty-three thousand, seven hundred forty-two".