30113032212 has 72 divisors (see below), whose sum is σ = 80664135552. Its totient is φ = 9439315200.

The previous prime is 30113032199. The next prime is 30113032223. The reversal of 30113032212 is 21223031103.

30113032212 is a `hidden beast` number, since 301 + 1 + 30 + 322 + 12 = 666.

It is a super-2 number, since 2×30113032212² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733387 + ... + 773357.

It is an arithmetic number, because the mean of its divisors is an integer number (1120335216).

Almost surely, 2^30113032212 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 30113032212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40332067776).

30113032212 is an abundant number, since it is smaller than the sum of its proper divisors (50551103340).

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

30113032212 is a wasteful number, since it uses less digits than its factorization.

30113032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41229 (or 41224 counting only the distinct ones).

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

Adding to 30113032212 its reverse (21223031103), we get a palindrome (51336063315).

The spelling of 30113032212 in words is "thirty billion, one hundred thirteen million, thirty-two thousand, two hundred twelve".