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12213103100 = 22521119584359
BaseRepresentation
bin10110101111111010…
…10010100111111100
31011112011002220211212
423113331102213330
5200003023244400
65335521103552
7611436443402
oct132775224774
934464086755
1012213103100
1151a7a84140
12244a187bb8
1311c8358c33
1483c051472
154b7317335
hex2d7f529fc

12213103100 has 72 divisors (see below), whose sum is σ = 30433468800. Its totient is φ = 4207377600.

The previous prime is 12213103099. The next prime is 12213103129. The reversal of 12213103100 is 130131221.

It is a super-2 number, since 2×122131031002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271280 + ... + 313079.

Almost surely, 212213103100 is an apocalyptic number.

12213103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213103100 is an abundant number, since it is smaller than the sum of its proper divisors (18220365700).

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

12213103100 is a wasteful number, since it uses less digits than its factorization.

12213103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584403 (or 584396 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12213103100 its reverse (130131221), we get a palindrome (12343234321).

The spelling of 12213103100 in words is "twelve billion, two hundred thirteen million, one hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 11 19 20 22 25 38 44 50 55 76 95 100 110 190 209 220 275 380 418 475 550 836 950 1045 1100 1900 2090 4180 5225 10450 20900 584359 1168718 2337436 2921795 5843590 6427949 11102821 11687180 12855898 14608975 22205642 25711796 29217950 32139745 44411284 55514105 58435900 64279490 111028210 122131031 128558980 160698725 222056420 244262062 277570525 321397450 488524124 555141050 610655155 642794900 1110282100 1221310310 2442620620 3053275775 6106551550 12213103100