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12001011202001 = 51563232744627
BaseRepresentation
bin1010111010100011010000…
…0000100111011111010001
31120111021201002211111011102
42232220310000213133101
53033111032331431001
641305104411354145
72346021150050213
oct256506400473721
946437632744142
1012001011202001
113907666a59938
121419a62452955
136908c904c773
142d6bd00045b3
1515c291ab5e6b
hexaea340277d1

12001011202001 has 4 divisors (see below), whose sum is σ = 12001243998192. Its totient is φ = 12000778405812.

The previous prime is 12001011201983. The next prime is 12001011202069. The reversal of 12001011202001 is 10020211010021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12001011202001 - 214 = 12001011185617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001011502001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116320751 + ... + 116423876.

It is an arithmetic number, because the mean of its divisors is an integer number (3000310999548).

Almost surely, 212001011202001 is an apocalyptic number.

It is an amenable number.

12001011202001 is a deficient number, since it is larger than the sum of its proper divisors (232796191).

12001011202001 is an equidigital number, since it uses as much as digits as its factorization.

12001011202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232796190.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001011202001 its reverse (10020211010021), we get a palindrome (22021222212022).

The spelling of 12001011202001 in words is "twelve trillion, one billion, eleven million, two hundred two thousand, one".

Divisors: 1 51563 232744627 12001011202001