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12020001110987 is a prime number
BaseRepresentation
bin1010111011101001111111…
…1001010111101111001011
31120120002201112200211000212
42232322133321113233023
53033413430241022422
641321525015151335
72350262555444312
oct256723771275713
946502645624025
1012020001110987
1139147212a25a1
12142168207554b
136926343960bc
142d7ab20b3279
1515ca03d0a9e2
hexaee9fe57bcb

12020001110987 has 2 divisors, whose sum is σ = 12020001110988. Its totient is φ = 12020001110986.

The previous prime is 12020001110969. The next prime is 12020001111071. The reversal of 12020001110987 is 78901110002021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12020001110987 is a prime.

It is a super-2 number, since 2×120200011109872 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12020001110947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010000555493 + 6010000555494.

It is an arithmetic number, because the mean of its divisors is an integer number (6010000555494).

Almost surely, 212020001110987 is an apocalyptic number.

12020001110987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020001110987 is an equidigital number, since it uses as much as digits as its factorization.

12020001110987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 12020001110987 in words is "twelve trillion, twenty billion, one million, one hundred ten thousand, nine hundred eighty-seven".