30023112100212 has 288 divisors, whose sum is σ = 100479622763520. Its totient is φ = 7322398755840.

The previous prime is 30023112100199. The next prime is 30023112100213. The reversal of 30023112100212 is 21200121132003.

30023112100212 is a `hidden beast` number, since 300 + 2 + 31 + 121 + 0 + 0 + 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 (30023112100213) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3429163 + ... + 8473805.

It is an arithmetic number, because the mean of its divisors is an integer number (348887579040).

Almost surely, 2^{30023112100212} 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 30023112100212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50239811381760).

30023112100212 is an abundant number, since it is smaller than the sum of its proper divisors (70456510663308).

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

30023112100212 is a wasteful number, since it uses less digits than its factorization.

30023112100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044803 (or 5044798 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30023112100212 its reverse (21200121132003), we get a palindrome (51223233232215).

The spelling of 30023112100212 in words is "thirty trillion, twenty-three billion, one hundred twelve million, one hundred thousand, two hundred twelve".