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120021120001222 = 21112742956735863
BaseRepresentation
bin11011010010100010011000…
…001110010010010011000110
3120201221220111012210021000221
4123102202120032102103012
5111212411223210014342
61103132535155454554
734165145145216556
oct3322423016222306
9521856435707027
10120021120001222
1135273742329780
1211564a922b745a
1351c7c34b6910b
14218d0a5dbd166
15dd20588a8a67
hex6d28983924c6

120021120001222 has 16 divisors (see below), whose sum is σ = 197944638861312. Its totient is φ = 54125487186120.

The previous prime is 120021120001199. The next prime is 120021120001231. The reversal of 120021120001222 is 222100021120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120021120001196 and 120021120001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21478365138 + ... + 21478370725.

It is an arithmetic number, because the mean of its divisors is an integer number (12371539928832).

Almost surely, 2120021120001222 is an apocalyptic number.

120021120001222 is a deficient number, since it is larger than the sum of its proper divisors (77923518860090).

120021120001222 is a wasteful number, since it uses less digits than its factorization.

120021120001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42956736003.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021120001222 its reverse (222100021120021), we get a palindrome (342121141121243).

The spelling of 120021120001222 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty million, one thousand, two hundred twenty-two".

Divisors: 1 2 11 22 127 254 1397 2794 42956735863 85913471726 472524094493 945048188986 5455505454601 10911010909202 60010560000611 120021120001222