30212880 has 40 divisors (see below), whose sum is σ = 93660672. Its totient is φ = 8056704.

The previous prime is 30212851. The next prime is 30212899. The reversal of 30212880 is 8821203.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30212880.

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, 62704 + ... + 63183.

Almost surely, 2^30212880 is an apocalyptic number.

30212880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30212880 is an abundant number, since it is smaller than the sum of its proper divisors (63447792).

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

30212880 is a wasteful number, since it uses less digits than its factorization.

30212880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125903 (or 125897 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 30212880 is about 5496.6244186773. The cubic root of 30212880 is about 311.4564830435.

The spelling of 30212880 in words is "thirty million, two hundred twelve thousand, eight hundred eighty".