30801212 has 24 divisors (see below), whose sum is σ = 61464816. Its totient is φ = 13379328.

The previous prime is 30801181. The next prime is 30801227. The reversal of 30801212 is 21210803.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16538 + ... + 18305.

It is an arithmetic number, because the mean of its divisors is an integer number (2561034).

Almost surely, 2^30801212 is an apocalyptic number.

It is an amenable number.

30801212 is a deficient number, since it is larger than the sum of its proper divisors (30663604).

30801212 is a wasteful number, since it uses less digits than its factorization.

30801212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34877 (or 34875 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 30801212 is about 5549.8839627509. The cubic root of 30801212 is about 313.4651530260.

It can be divided in two parts, 30801 and 212, that added together give a palindrome (31013).

The spelling of 30801212 in words is "thirty million, eight hundred one thousand, two hundred twelve".