30212379 has 16 divisors (see below), whose sum is σ = 44992000. Its totient is φ = 20036808.

The previous prime is 30212353. The next prime is 30212381. The reversal of 30212379 is 97321203.

It is not a de Polignac number, because 30212379 - 2⁷ = 30212251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562 + ... + 8184.

It is an arithmetic number, because the mean of its divisors is an integer number (2812000).

Almost surely, 2^30212379 is an apocalyptic number.

30212379 is a deficient number, since it is larger than the sum of its proper divisors (14779621).

30212379 is a wasteful number, since it uses less digits than its factorization.

30212379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831 (or 5825 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 30212379 is about 5496.5788450635. The cubic root of 30212379 is about 311.4547614757.

The spelling of 30212379 in words is "thirty million, two hundred twelve thousand, three hundred seventy-nine".