30120213124 has 24 divisors (see below), whose sum is σ = 53738935488. Its totient is φ = 14766591840.

The previous prime is 30120213103. The next prime is 30120213127. The reversal of 30120213124 is 42131202103.

It is a happy number.

It is a super-3 number, since 3×30120213124³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30120213127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296479 + ... + 384889.

It is an arithmetic number, because the mean of its divisors is an integer number (2239122312).

Almost surely, 2^30120213124 is an apocalyptic number.

It is an amenable number.

30120213124 is a deficient number, since it is larger than the sum of its proper divisors (23618722364).

30120213124 is a wasteful number, since it uses less digits than its factorization.

30120213124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90075 (or 90073 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30120213124 its reverse (42131202103), we get a palindrome (72251415227).

The spelling of 30120213124 in words is "thirty billion, one hundred twenty million, two hundred thirteen thousand, one hundred twenty-four".