8942157212 has 48 divisors (see below), whose sum is σ = 16475676672. Its totient is φ = 4238498880.

The previous prime is 8942157197. The next prime is 8942157229. The reversal of 8942157212 is 2127512498.

It is a super-2 number, since 2×8942157212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8942157212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5376293 + ... + 5377955.

It is an arithmetic number, because the mean of its divisors is an integer number (343243264).

Almost surely, 2^8942157212 is an apocalyptic number.

It is an amenable number.

8942157212 is a deficient number, since it is larger than the sum of its proper divisors (7533519460).

8942157212 is a wasteful number, since it uses less digits than its factorization.

8942157212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2176 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 8942157212 is about 94562.9801349344. The cubic root of 8942157212 is about 2075.6180255743.

The spelling of 8942157212 in words is "eight billion, nine hundred forty-two million, one hundred fifty-seven thousand, two hundred twelve".