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12111202200001 = 291093831446441
BaseRepresentation
bin1011000000111101101111…
…1001111010100111000001
31120212211010111122011112111
42300033123321322213001
53041412220230400001
641431450503055321
72360001611063152
oct260173371724701
946784114564474
1012111202200001
11394a3719a3633
121437295141541
1369b109ca1428
142dc284705929
1516009083a851
hexb03dbe7a9c1

12111202200001 has 8 divisors (see below), whose sum is σ = 12643773258600. Its totient is φ = 11586294034560.

The previous prime is 12111202199963. The next prime is 12111202200023. The reversal of 12111202200001 is 10000220211121.

It can be written as a sum of positive squares in 4 ways, for example, as 6448801223601 + 5662400976400 = 2539449^2 + 2379580^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111202200001 - 211 = 12111202197953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111202200101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915720060 + ... + 1915726381.

It is an arithmetic number, because the mean of its divisors is an integer number (1580471657325).

Almost surely, 212111202200001 is an apocalyptic number.

It is an amenable number.

12111202200001 is a deficient number, since it is larger than the sum of its proper divisors (532571058599).

12111202200001 is a wasteful number, since it uses less digits than its factorization.

12111202200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831446579.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111202200001 its reverse (10000220211121), we get a palindrome (22111422411122).

The spelling of 12111202200001 in words is "twelve trillion, one hundred eleven billion, two hundred two million, two hundred thousand, one".

Divisors: 1 29 109 3161 3831446441 111111946789 417627662069 12111202200001