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12021210102011 = 115906918501029
BaseRepresentation
bin1010111011101110011111…
…1101010011100011111011
31120120012211210121220221012
42232323213331103203323
53033423414241231021
641322245004104135
72350334535630425
oct256734775234373
946505753556835
1012021210102011
11391519178a430
12142195ab3504b
136927979b7ac6
142d7b888a3815
1515ca7502035b
hexaeee7f538fb

12021210102011 has 8 divisors (see below), whose sum is σ = 13114270105200. Its totient is φ = 10928187219040.

The previous prime is 12021210102007. The next prime is 12021210102037. The reversal of 12021210102011 is 11020101212021.

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 12021210102011 - 22 = 12021210102007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021210102061) 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, 8600756 + ... + 9900273.

It is an arithmetic number, because the mean of its divisors is an integer number (1639283763150).

Almost surely, 212021210102011 is an apocalyptic number.

12021210102011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021210102011 is a deficient number, since it is larger than the sum of its proper divisors (1093060003189).

12021210102011 is a wasteful number, since it uses less digits than its factorization.

12021210102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18560109.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021210102011 its reverse (11020101212021), we get a palindrome (23041311314032).

The spelling of 12021210102011 in words is "twelve trillion, twenty-one billion, two hundred ten million, one hundred two thousand, eleven".

Divisors: 1 11 59069 649759 18501029 203511319 1092837282001 12021210102011