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30022220011212 = 2232111317719749811
BaseRepresentation
bin1101101001110000101111…
…10000100101011011001100
310221022002121010120021121100
412310320113300211123030
512413341001310324322
6143504003435103100
76216014412356052
oct664702760453314
9127262533507540
1030022220011212
119625396578390
12344a6108a1a90
13139a110a33a90
1475b12443c1d2
15370e308b5dac
hex1b4e17c256cc

30022220011212 has 576 divisors, whose sum is σ = 96719875918848. Its totient is φ = 7712022528000.

The previous prime is 30022220011207. The next prime is 30022220011219. The reversal of 30022220011212 is 21211002222003.

30022220011212 is a `hidden beast` number, since 30 + 0 + 222 + 200 + 1 + 1 + 212 = 666.

It is a super-2 number, since 2×300222200112122 (a number of 28 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (30022220011219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 602697787 + ... + 602747597.

It is an arithmetic number, because the mean of its divisors is an integer number (167916451248).

Almost surely, 230022220011212 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 30022220011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48359937959424).

30022220011212 is an abundant number, since it is smaller than the sum of its proper divisors (66697655907636).

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

30022220011212 is a wasteful number, since it uses less digits than its factorization.

30022220011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50030 (or 50025 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 30022220011212 its reverse (21211002222003), we get a palindrome (51233222233215).

The spelling of 30022220011212 in words is "thirty trillion, twenty-two billion, two hundred twenty million, eleven thousand, two hundred twelve".