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12220211110 = 252994744497
BaseRepresentation
bin10110110000110000…
…11001111110100110
31011112122111001012111
423120120121332212
5200011333223420
65340333311234
7611554036432
oct133030317646
934478431174
1012220211110
115200a99528
12245063551a
1311c9977363
1483cd819c2
154b7c6d45a
hex2d8619fa6

12220211110 has 32 divisors (see below), whose sum is σ = 22779416160. Its totient is φ = 4714440192.

The previous prime is 12220211071. The next prime is 12220211123. The reversal of 12220211110 is 1111202221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252382 + ... + 296878.

It is an arithmetic number, because the mean of its divisors is an integer number (711856755).

Almost surely, 212220211110 is an apocalyptic number.

12220211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220211110 is a deficient number, since it is larger than the sum of its proper divisors (10559205050).

12220211110 is a wasteful number, since it uses less digits than its factorization.

12220211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45480.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12220211110 its reverse (1111202221), we get a palindrome (13331413331).

The spelling of 12220211110 in words is "twelve billion, two hundred twenty million, two hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 29 58 145 290 947 1894 4735 9470 27463 44497 54926 88994 137315 222485 274630 444970 1290413 2580826 6452065 12904130 42138659 84277318 210693295 421386590 1222021111 2444042222 6110105555 12220211110