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12213312132012 = 2237313942137137
BaseRepresentation
bin1011000110111010001000…
…1000011001001110101100
31121020120200201111011101020
42301232202020121032230
53100100330401211022
641550415041214140
72400245155143015
oct261564210311654
947216621434336
1012213312132012
1139897003308a2
121453031631350
136a7930968644
143031ada7a00c
15162a69e0035c
hexb1ba22193ac

12213312132012 has 24 divisors (see below), whose sum is σ = 28888108149936. Its totient is φ = 4015335495168.

The previous prime is 12213312131963. The next prime is 12213312132023. The reversal of 12213312132012 is 21023121331221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6971067693 + ... + 6971069444.

It is an arithmetic number, because the mean of its divisors is an integer number (1203671172914).

Almost surely, 212213312132012 is an apocalyptic number.

12213312132012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12213312132012 is an abundant number, since it is smaller than the sum of its proper divisors (16674796017924).

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

12213312132012 is a wasteful number, since it uses less digits than its factorization.

12213312132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13942137217 (or 13942137215 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12213312132012 its reverse (21023121331221), we get a palindrome (33236433463233).

The spelling of 12213312132012 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, one hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 13942137137 27884274274 41826411411 55768548548 83652822822 167305645644 1017776011001 2035552022002 3053328033003 4071104044004 6106656066006 12213312132012