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12002140621245 = 356367811256543
BaseRepresentation
bin1010111010100111011101…
…0101000000100110111101
31120111101121211000221002210
42232221313111000212331
53033120340444334440
641305412435011033
72346061143002535
oct256516725004675
946441554027083
1012002140621245
113908096538275
12141a118739a79
13690a49030c88
142d6c9a0004c5
1515c30ad0da80
hexaea775409bd

12002140621245 has 16 divisors (see below), whose sum is σ = 19203470433792. Its totient is φ = 6401126518080.

The previous prime is 12002140621231. The next prime is 12002140621249. The reversal of 12002140621245 is 54212604120021.

It is not a de Polignac number, because 12002140621245 - 26 = 12002140621181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002140621249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8923444 + ... + 10179986.

It is an arithmetic number, because the mean of its divisors is an integer number (1200216902112).

Almost surely, 212002140621245 is an apocalyptic number.

12002140621245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12002140621245 is a deficient number, since it is larger than the sum of its proper divisors (7201329812547).

12002140621245 is a wasteful number, since it uses less digits than its factorization.

12002140621245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893332.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 12002140621245 its reverse (54212604120021), we get a palindrome (66214744741266).

The spelling of 12002140621245 in words is "twelve trillion, two billion, one hundred forty million, six hundred twenty-one thousand, two hundred forty-five".

Divisors: 1 3 5 15 636781 1256543 1910343 3183905 3769629 6282715 9551715 18848145 800142708083 2400428124249 4000713540415 12002140621245