30321100000212 has 144 divisors (see below), whose sum is σ = 83157938111808. Its totient is φ = 8572895815680.

The previous prime is 30321100000159. The next prime is 30321100000229. The reversal of 30321100000212 is 21200000112303.

It is a super-2 number, since 2×30321100000212² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30321100000191 and 30321100000200.

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, 619443523 + ... + 619492469.

It is an arithmetic number, because the mean of its divisors is an integer number (577485681332).

Almost surely, 2^{30321100000212} 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 30321100000212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41578969055904).

30321100000212 is an abundant number, since it is smaller than the sum of its proper divisors (52836838111596).

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

30321100000212 is a wasteful number, since it uses less digits than its factorization.

30321100000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59926 (or 59917 counting only the distinct ones).

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

Adding to 30321100000212 its reverse (21200000112303), we get a palindrome (51521100112515).

The spelling of 30321100000212 in words is "thirty trillion, three hundred twenty-one billion, one hundred million, two hundred twelve", and thus it is an aban number.