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30201200122221 = 327620744033867
BaseRepresentation
bin1101101110111110000111…
…10011100001100101101101
310221221012120120012222011200
412313133003303201211231
512424304024212402341
6144122123444040113
76234651615250632
oct667370363414555
9127835516188150
1030201200122221
1196942911418a7
123479240993039
1313b0c652963cb
14765a629d0189
153759087aedb6
hex1b77c3ce196d

30201200122221 has 12 divisors (see below), whose sum is σ = 43624529163072. Its totient is φ = 20133868754376.

The previous prime is 30201200122103. The next prime is 30201200122321. The reversal of 30201200122221 is 12222100210203.

30201200122221 is a `hidden beast` number, since 30 + 201 + 200 + 12 + 2 + 221 = 666.

It is not a de Polignac number, because 30201200122221 - 221 = 30201198025069 is a prime.

It is a super-2 number, since 2×302012001222212 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201200122194 and 30201200122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201200122321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21331071 + ... + 22702796.

It is an arithmetic number, because the mean of its divisors is an integer number (3635377430256).

Almost surely, 230201200122221 is an apocalyptic number.

It is an amenable number.

30201200122221 is a deficient number, since it is larger than the sum of its proper divisors (13423329040851).

30201200122221 is a wasteful number, since it uses less digits than its factorization.

30201200122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44110080 (or 44110077 counting only the distinct ones).

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

Adding to 30201200122221 its reverse (12222100210203), we get a palindrome (42423300332424).

The spelling of 30201200122221 in words is "thirty trillion, two hundred one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 3 9 76207 228621 685863 44033867 132101601 396304803 3355688902469 10067066707407 30201200122221