30212162 has 16 divisors (see below), whose sum is σ = 49156632. Its totient is φ = 13870080.

The previous prime is 30212153. The next prime is 30212167. The reversal of 30212162 is 26121203.

It can be written as a sum of positive squares in 4 ways, for example, as 29149201 + 1062961 = 5399^2 + 1031^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 30212162.

It is not an unprimeable number, because it can be changed into a prime (30212167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9443 + ... + 12230.

Almost surely, 2^30212162 is an apocalyptic number.

30212162 is a deficient number, since it is larger than the sum of its proper divisors (18944470).

30212162 is a wasteful number, since it uses less digits than its factorization.

30212162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30212162 is about 5496.5591054768. The cubic root of 30212162 is about 311.4540158008.

Adding to 30212162 its reverse (26121203), we get a palindrome (56333365).

The spelling of 30212162 in words is "thirty million, two hundred twelve thousand, one hundred sixty-two".