30212120847 has 8 divisors (see below), whose sum is σ = 40283907120. Its totient is φ = 20140874240.

The previous prime is 30212120831. The next prime is 30212120863. The reversal of 30212120847 is 74802121203.

It is an interprime number because it is at equal distance from previous prime (30212120831) and next prime (30212120863).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30212120847 - 2⁴ = 30212120831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212120447) 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, 21679 + ... + 246767.

It is an arithmetic number, because the mean of its divisors is an integer number (5035488390).

Almost surely, 2^30212120847 is an apocalyptic number.

30212120847 is a deficient number, since it is larger than the sum of its proper divisors (10071786273).

30212120847 is a wasteful number, since it uses less digits than its factorization.

30212120847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269833.

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 30212120847 in words is "thirty billion, two hundred twelve million, one hundred twenty thousand, eight hundred forty-seven".