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12120211212110 = 257915342039509
BaseRepresentation
bin1011000001011111010011…
…1000100100011101001110
31120220200101100200101211122
42300113310320210131032
53042034143032241420
641435540445320542
72360441063320451
oct260276470443516
946820340611748
1012120211212110
11395317528a791
121438b8a266152
1369bc14588721
142dc89adc5498
1516041b6e7725
hexb05f4e2474e

12120211212110 has 16 divisors (see below), whose sum is σ = 22092536894400. Its totient is φ = 4786716326496.

The previous prime is 12120211212107. The next prime is 12120211212157. The reversal of 12120211212110 is 1121211202121.

12120211212110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7671018965 + ... + 7671020544.

It is an arithmetic number, because the mean of its divisors is an integer number (1380783555900).

Almost surely, 212120211212110 is an apocalyptic number.

12120211212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120211212110 is a deficient number, since it is larger than the sum of its proper divisors (9972325682290).

12120211212110 is a wasteful number, since it uses less digits than its factorization.

12120211212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342039595.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12120211212110 its reverse (1121211202121), we get a palindrome (13241422414231).

The spelling of 12120211212110 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 79 158 395 790 15342039509 30684079018 76710197545 153420395090 1212021121211 2424042242422 6060105606055 12120211212110