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1122212123020 = 225123145581321
BaseRepresentation
bin10000010101001001000…
…011100001000110001100
310222021121220002112021201
4100111021003201012030
5121341242300414040
62215312004235244
7144035314441462
oct20251103410614
93867556075251
101122212123020
113a2a2253a85a
121615aa69bb24
1381a9386a531
143c45b4a4832
151e2d0a30a9a
hex105490e118c

1122212123020 has 24 divisors (see below), whose sum is σ = 2358559925568. Its totient is φ = 448520188800.

The previous prime is 1122212123017. The next prime is 1122212123033. The reversal of 1122212123020 is 203212122211.

It is a super-2 number, since 2×11222121230202 (a number of 25 digits) contains 22 as substring.

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, 22766041 + ... + 22815280.

It is an arithmetic number, because the mean of its divisors is an integer number (98273330232).

Almost surely, 21122212123020 is an apocalyptic number.

1122212123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122212123020 is an abundant number, since it is smaller than the sum of its proper divisors (1236347802548).

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

1122212123020 is a wasteful number, since it uses less digits than its factorization.

1122212123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45582561 (or 45582559 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1122212123020 its reverse (203212122211), we get a palindrome (1325424245231).

The spelling of 1122212123020 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 1231 2462 4924 6155 12310 24620 45581321 91162642 182325284 227906605 455813210 911626420 56110606151 112221212302 224442424604 280553030755 561106061510 1122212123020