30320212010100 has 144 divisors (see below), whose sum is σ = 89899892871936. Its totient is φ = 7885223424000.

The previous prime is 30320212010051. The next prime is 30320212010149. The reversal of 30320212010100 is 101021202303.

It is an interprime number because it is at equal distance from previous prime (30320212010051) and next prime (30320212010149).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30320212010100.

It is a congruent number.

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, 32391852 + ... + 33314748.

Almost surely, 2^{30320212010100} is an apocalyptic number.

30320212010100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30320212010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44949946435968).

30320212010100 is an abundant number, since it is smaller than the sum of its proper divisors (59579680861836).

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

30320212010100 is a wasteful number, since it uses less digits than its factorization.

30320212010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925626 (or 925619 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30320212010100 its reverse (101021202303), we get a palindrome (30421233212403).

The spelling of 30320212010100 in words is "thirty trillion, three hundred twenty billion, two hundred twelve million, ten thousand, one hundred".