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12201012121210 = 25111012917376483
BaseRepresentation
bin1011000110001100010011…
…1111100100111001111010
31121012101221111211212120121
42301203010333210321322
53044400133100334320
641541022333243454
72366331311603143
oct261430477447172
947171844755517
1012201012121210
113984469298710
12145077a33358a
136a6720601143
14302764284aca
1516259a16c8aa
hexb18c4fe4e7a

12201012121210 has 64 divisors (see below), whose sum is σ = 24203921433984. Its totient is φ = 4391286048000.

The previous prime is 12201012121201. The next prime is 12201012121229. The reversal of 12201012121210 is 1212121010221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32219629 + ... + 32596111.

It is an arithmetic number, because the mean of its divisors is an integer number (378186272406).

Almost surely, 212201012121210 is an apocalyptic number.

12201012121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201012121210 is a deficient number, since it is larger than the sum of its proper divisors (12002909312774).

12201012121210 is a wasteful number, since it uses less digits than its factorization.

12201012121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379519.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201012121210 its reverse (1212121010221), we get a palindrome (13413133131431).

The spelling of 12201012121210 in words is "twelve trillion, two hundred one billion, twelve million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 101 110 202 505 1010 1111 2222 2917 5555 5834 11110 14585 29170 32087 64174 160435 294617 320870 376483 589234 752966 1473085 1882415 2946170 3240787 3764830 4141313 6481574 8282626 16203935 20706565 32407870 38024783 41413130 76049566 190123915 380247830 418272613 836545226 1098200911 2091363065 2196401822 4182726130 5491004555 10982009110 12080210021 24160420042 60401050105 110918292011 120802100210 221836584022 554591460055 1109182920110 1220101212121 2440202424242 6100506060605 12201012121210