8212330040742 has 96 divisors (see below), whose sum is σ = 19036844386560. Its totient is φ = 2553892519680.

The previous prime is 8212330040737. The next prime is 8212330040749. The reversal of 8212330040742 is 2470400332128.

It is a happy number.

8212330040742 is a `hidden beast` number, since 8 + 212 + 3 + 30 + 0 + 407 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8212330040697 and 8212330040706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212330040749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 425788 + ... + 4075040.

It is an arithmetic number, because the mean of its divisors is an integer number (198300462360).

Almost surely, 2^{8212330040742} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8212330040742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9518422193280).

8212330040742 is an abundant number, since it is smaller than the sum of its proper divisors (10824514345818).

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

8212330040742 is a wasteful number, since it uses less digits than its factorization.

8212330040742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649438 (or 3649435 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 8212330040742 in words is "eight trillion, two hundred twelve billion, three hundred thirty million, forty thousand, seven hundred forty-two".