30125220524 has 24 divisors (see below), whose sum is σ = 60312164640. Its totient is φ = 12897582336.

The previous prime is 30125220509. The next prime is 30125220553. The reversal of 30125220524 is 42502252103.

It is a junction number, because it is equal to n+sod(n) for n = 30125220493 and 30125220502.

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, 523259 + ... + 577970.

It is an arithmetic number, because the mean of its divisors is an integer number (2513006860).

Almost surely, 2^30125220524 is an apocalyptic number.

It is an amenable number.

30125220524 is an abundant number, since it is smaller than the sum of its proper divisors (30186944116).

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

30125220524 is a wasteful number, since it uses less digits than its factorization.

30125220524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102217 (or 1102215 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 30125220524 its reverse (42502252103), we get a palindrome (72627472627).

The spelling of 30125220524 in words is "thirty billion, one hundred twenty-five million, two hundred twenty thousand, five hundred twenty-four".