30103003120212 has 216 divisors, whose sum is σ = 85009435711200. Its totient is φ = 8907264512640.

The previous prime is 30103003120199. The next prime is 30103003120217. The reversal of 30103003120212 is 21202130030103.

30103003120212 is a `hidden beast` number, since 30 + 1 + 0 + 300 + 3 + 120 + 212 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103003120217) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 205319643 + ... + 205466205.

Almost surely, 2^{30103003120212} 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 30103003120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42504717855600).

30103003120212 is an abundant number, since it is smaller than the sum of its proper divisors (54906432590988).

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

30103003120212 is a wasteful number, since it uses less digits than its factorization.

30103003120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146851 (or 146787 counting only the distinct ones).

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

Adding to 30103003120212 its reverse (21202130030103), we get a palindrome (51305133150315).

The spelling of 30103003120212 in words is "thirty trillion, one hundred three billion, three million, one hundred twenty thousand, two hundred twelve".