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12001222200210 = 235400040740007
BaseRepresentation
bin1010111010100100000010…
…0101100000101110010010
31120111022020210212022021220
42232221000211200232102
53033112000340401320
641305141350025510
72346026321362305
oct256510045405622
946438223768256
1012001222200210
113907765073a21
121419b01048296
13690930987a89
142d6c1004ab3c
1515c2a5393e40
hexaea40960b92

12001222200210 has 16 divisors (see below), whose sum is σ = 28802933280576. Its totient is φ = 3200325920048.

The previous prime is 12001222200197. The next prime is 12001222200211. The reversal of 12001222200210 is 1200222210021.

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 12001222200210.

It is not an unprimeable number, because it can be changed into a prime (12001222200211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200020369974 + ... + 200020370033.

It is an arithmetic number, because the mean of its divisors is an integer number (1800183330036).

Almost surely, 212001222200210 is an apocalyptic number.

12001222200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001222200210 is an abundant number, since it is smaller than the sum of its proper divisors (16801711080366).

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

12001222200210 is a wasteful number, since it uses less digits than its factorization.

12001222200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400040740017.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12001222200210 its reverse (1200222210021), we get a palindrome (13201444410231).

The spelling of 12001222200210 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 400040740007 800081480014 1200122220021 2000203700035 2400244440042 4000407400070 6000611100105 12001222200210