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1222020001120 = 2557637625007
BaseRepresentation
bin10001110010000110000…
…100010110110101100000
311022211020200020001211111
4101302012010112311200
5130010144110013440
62333215505353104
7154200536424022
oct21620604266540
94284220201744
101222020001120
1143128a483926
12178a04038794
138b30b620779
1443208bd4012
1521bc2e6a4ea
hex11c86116d60

1222020001120 has 24 divisors (see below), whose sum is σ = 2887022253024. Its totient is φ = 488808000384.

The previous prime is 1222020001093. The next prime is 1222020001129. The reversal of 1222020001120 is 211000202221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222020001120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222020001129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3818812344 + ... + 3818812663.

It is an arithmetic number, because the mean of its divisors is an integer number (120292593876).

Almost surely, 21222020001120 is an apocalyptic number.

1222020001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222020001120 is an abundant number, since it is smaller than the sum of its proper divisors (1665002251904).

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

1222020001120 is an equidigital number, since it uses as much as digits as its factorization.

1222020001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637625022 (or 7637625014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222020001120 its reverse (211000202221), we get a palindrome (1433020203341).

The spelling of 1222020001120 in words is "one trillion, two hundred twenty-two billion, twenty million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 7637625007 15275250014 30550500028 38188125035 61101000056 76376250070 122202000112 152752500140 244404000224 305505000280 611010000560 1222020001120