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12013233001212 = 2231001102750101
BaseRepresentation
bin1010111011010000110001…
…1111000101001011111100
31120112110020212022012211110
42232310030133011023330
53033311100122014322
641314445243122020
72346633053452662
oct256641437051374
946473225265743
1012013233001212
113911868932543
1214202b3513310
13691ac6131911
142d762d27ac32
1515c759a49c0c
hexaed0c7c52fc

12013233001212 has 12 divisors (see below), whose sum is σ = 28030877002856. Its totient is φ = 4004411000400.

The previous prime is 12013233001201. The next prime is 12013233001219. The reversal of 12013233001212 is 21210033231021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013233001219) 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, 500551375039 + ... + 500551375062.

Almost surely, 212013233001212 is an apocalyptic number.

12013233001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013233001212 is an abundant number, since it is smaller than the sum of its proper divisors (16017644001644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013233001212 is a wasteful number, since it uses less digits than its factorization.

12013233001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001102750108 (or 1001102750106 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12013233001212 its reverse (21210033231021), we get a palindrome (33223266232233).

The spelling of 12013233001212 in words is "twelve trillion, thirteen billion, two hundred thirty-three million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1001102750101 2002205500202 3003308250303 4004411000404 6006616500606 12013233001212