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12220010120 = 2351312778419
BaseRepresentation
bin10110110000101111…
…01000111010001000
31011112122002211111102
423120113220322020
5200011310310440
65340325120532
7611552241443
oct133027507210
934478084442
1012220010120
11520097151a
122450559148
1311c9906a26
1483cd2c65a
154b7c2db15
hex2d85e8e88

12220010120 has 64 divisors (see below), whose sum is σ = 27808228800. Its totient is φ = 4832605440.

The previous prime is 12220010119. The next prime is 12220010123. The reversal of 12220010120 is 2101002221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12220010123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447271 + ... + 1455689.

It is an arithmetic number, because the mean of its divisors is an integer number (434503575).

Almost surely, 212220010120 is an apocalyptic number.

12220010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220010120 is an abundant number, since it is smaller than the sum of its proper divisors (15588218680).

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

12220010120 is a wasteful number, since it uses less digits than its factorization.

12220010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838 (or 8834 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12220010120 its reverse (2101002221), we get a palindrome (14321012341).

The spelling of 12220010120 in words is "twelve billion, two hundred twenty million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 131 262 277 524 554 655 1048 1108 1310 1385 2216 2620 2770 5240 5540 8419 11080 16838 33676 36287 42095 67352 72574 84190 145148 168380 181435 290296 336760 362870 725740 1102889 1451480 2205778 2332063 4411556 4664126 5514445 8823112 9328252 11028890 11660315 18656504 22057780 23320630 44115560 46641260 93282520 305500253 611000506 1222001012 1527501265 2444002024 3055002530 6110005060 12220010120