30212472025 has 12 divisors (see below), whose sum is σ = 37991121984. Its totient is φ = 23829554000.

The previous prime is 30212472019. The next prime is 30212472061. The reversal of 30212472025 is 52027421203.

It is not a de Polignac number, because 30212472025 - 2¹¹ = 30212469977 is a prime.

It is a super-2 number, since 2×30212472025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212471984 and 30212472002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8508781 + ... + 8512330.

It is an arithmetic number, because the mean of its divisors is an integer number (3165926832).

Almost surely, 2^30212472025 is an apocalyptic number.

It is an amenable number.

30212472025 is a deficient number, since it is larger than the sum of its proper divisors (7778649959).

30212472025 is a wasteful number, since it uses less digits than its factorization.

30212472025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17021192 (or 17021187 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 30212472025 its reverse (52027421203), we get a palindrome (82239893228).

The spelling of 30212472025 in words is "thirty billion, two hundred twelve million, four hundred seventy-two thousand, twenty-five".