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12212002110210 = 2357103156403871
BaseRepresentation
bin1011000110110101010000…
…0011000011101100000010
31121020110022102110011022020
42301231110003003230002
53100040140020011320
641550041043022310
72400200540142330
oct261552403035402
947213272404266
1012212002110210
113989098909051
12145292696a996
136a7782431c06
143030c7aaab50
151629dedd0940
hexb1b540c3b02

12212002110210 has 64 divisors (see below), whose sum is σ = 33528266440704. Its totient is φ = 2788607332800.

The previous prime is 12212002110181. The next prime is 12212002110223. The reversal of 12212002110210 is 1201120021221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12212002110210.

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, 27985426 + ... + 28418445.

It is an arithmetic number, because the mean of its divisors is an integer number (523879163136).

Almost surely, 212212002110210 is an apocalyptic number.

12212002110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212002110210 is an abundant number, since it is smaller than the sum of its proper divisors (21316264330494).

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

12212002110210 is a wasteful number, since it uses less digits than its factorization.

12212002110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56404919.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12212002110210 its reverse (1201120021221), we get a palindrome (13413122131431).

The spelling of 12212002110210 in words is "twelve trillion, two hundred twelve billion, two million, one hundred ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1031 2062 3093 5155 6186 7217 10310 14434 15465 21651 30930 36085 43302 72170 108255 216510 56403871 112807742 169211613 282019355 338423226 394827097 564038710 789654194 846058065 1184481291 1692116130 1974135485 2368962582 3948270970 5922406455 11844812910 58152391001 116304782002 174457173003 290761955005 348914346006 407066737007 581523910010 814133474014 872285865015 1221200211021 1744571730030 2035333685035 2442400422042 4070667370070 6106001055105 12212002110210