30621499124 has 24 divisors (see below), whose sum is σ = 54127190208. Its totient is φ = 15156694080.

The previous prime is 30621499123. The next prime is 30621499151. The reversal of 30621499124 is 42199412603.

It is a super-2 number, since 2×30621499124² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30621499123) 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, 1301384 + ... + 1324704.

It is an arithmetic number, because the mean of its divisors is an integer number (2255299592).

Almost surely, 2^30621499124 is an apocalyptic number.

It is an amenable number.

30621499124 is a deficient number, since it is larger than the sum of its proper divisors (23505691084).

30621499124 is a wasteful number, since it uses less digits than its factorization.

30621499124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26615 (or 26613 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 30621499124 in words is "thirty billion, six hundred twenty-one million, four hundred ninety-nine thousand, one hundred twenty-four".