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12111112010211 = 310223394897519
BaseRepresentation
bin1011000000111101011010…
…0001110111100111100011
31120212210220012221001101220
42300033112201313213203
53041412024133311321
641431433522030123
72356666434350154
oct260172641674743
946783805831356
1012111112010211
11394a325aa2715
12143726aaa8343
1369b0c43b3ca6
142dc27674992b
151600879729c6
hexb03d68779e3

12111112010211 has 8 divisors (see below), whose sum is σ = 16149728977920. Its totient is φ = 8073284857992.

The previous prime is 12111112010167. The next prime is 12111112010237. The reversal of 12111112010211 is 11201021111121.

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

It is not a de Polignac number, because 12111112010211 - 27 = 12111112010083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111112010411) 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, 197418091 + ... + 197479428.

It is an arithmetic number, because the mean of its divisors is an integer number (2018716122240).

Almost surely, 212111112010211 is an apocalyptic number.

12111112010211 is a deficient number, since it is larger than the sum of its proper divisors (4038616967709).

12111112010211 is a wasteful number, since it uses less digits than its factorization.

12111112010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394907745.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12111112010211 its reverse (11201021111121), we get a palindrome (23312133121332).

The spelling of 12111112010211 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, ten thousand, two hundred eleven".

Divisors: 1 3 10223 30669 394897519 1184692557 4037037336737 12111112010211