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12030312312210 = 2351723588847671
BaseRepresentation
bin1010111100010000011001…
…1111011110110110010010
31120121002100011001002222110
42233010012133132312102
53034101034422442320
641330352120050150
72351106232300413
oct257040637366622
946532304032873
1012030312312210
1139190327416a5
12142367b303956
136935b86a38ba
142d83ad6c380a
1515ce0918b5e0
hexaf1067ded92

12030312312210 has 32 divisors (see below), whose sum is σ = 30571146582912. Its totient is φ = 3019372501760.

The previous prime is 12030312312143. The next prime is 12030312312241. The reversal of 12030312312210 is 1221321303021.

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, 11794423326 + ... + 11794424345.

It is an arithmetic number, because the mean of its divisors is an integer number (955348330716).

Almost surely, 212030312312210 is an apocalyptic number.

12030312312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12030312312210 is an abundant number, since it is smaller than the sum of its proper divisors (18540834270702).

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

12030312312210 is a wasteful number, since it uses less digits than its factorization.

12030312312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23588847698.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12030312312210 its reverse (1221321303021), we get a palindrome (13251633615231).

The spelling of 12030312312210 in words is "twelve trillion, thirty billion, three hundred twelve million, three hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 23588847671 47177695342 70766543013 117944238355 141533086026 235888476710 353832715065 401010410407 707665430130 802020820814 1203031231221 2005052052035 2406062462442 4010104104070 6015156156105 12030312312210