30100032612 has 144 divisors (see below), whose sum is σ = 82918442880. Its totient is φ = 9151317504.

The previous prime is 30100032581. The next prime is 30100032629. The reversal of 30100032612 is 21623000103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37206064 + ... + 37206872.

It is an arithmetic number, because the mean of its divisors is an integer number (575822520).

Almost surely, 2^30100032612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30100032612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41459221440).

30100032612 is an abundant number, since it is smaller than the sum of its proper divisors (52818410268).

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

30100032612 is a wasteful number, since it uses less digits than its factorization.

30100032612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30100032612 its reverse (21623000103), we get a palindrome (51723032715).

The spelling of 30100032612 in words is "thirty billion, one hundred million, thirty-two thousand, six hundred twelve".