162012123442 has 24 divisors (see below), whose sum is σ = 263667142980. Its totient is φ = 74627841600.

The previous prime is 162012123379. The next prime is 162012123457. The reversal of 162012123442 is 244321210261.

It can be written as a sum of positive squares in 6 ways, for example, as 30793581361 + 131218542081 = 175481^2 + 362241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 162012123442.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298809 + ... + 642892.

Almost surely, 2^162012123442 is an apocalyptic number.

162012123442 is a deficient number, since it is larger than the sum of its proper divisors (101655019538).

162012123442 is a wasteful number, since it uses less digits than its factorization.

162012123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942238 (or 942225 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 162012123442 in words is "one hundred sixty-two billion, twelve million, one hundred twenty-three thousand, four hundred forty-two".