162120712 has 32 divisors (see below), whose sum is σ = 329477400. Its totient is φ = 74340864.

The previous prime is 162120703. The next prime is 162120727. The reversal of 162120712 is 217021261.

It is a happy number.

162120712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70459236 + 91661476 = 8394^2 + 9574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11364 + ... + 21292.

Almost surely, 2^162120712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162120712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164738700).

162120712 is an abundant number, since it is smaller than the sum of its proper divisors (167356688).

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

162120712 is a wasteful number, since it uses less digits than its factorization.

162120712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105 (or 10101 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 162120712 is about 12732.6631935350. The cubic root of 162120712 is about 545.2715443942.

Adding to 162120712 its reverse (217021261), we get a palindrome (379141973).

The spelling of 162120712 in words is "one hundred sixty-two million, one hundred twenty thousand, seven hundred twelve".