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12312301030212 = 2231026025085851
BaseRepresentation
bin1011001100101010111001…
…0101000100101101000100
31121121001012102120012201010
42303022232111010231010
53103211043030431322
642104105405002220
72410351203661611
oct263125625045504
947531172505633
1012312301030212
113a17687a50177
12146a258853370
136b4077b519a1
14307cc06dd508
151654104b420c
hexb32ae544b44

12312301030212 has 12 divisors (see below), whose sum is σ = 28728702403856. Its totient is φ = 4104100343400.

The previous prime is 12312301030199. The next prime is 12312301030223. The reversal of 12312301030212 is 21203010321321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513012542914 + ... + 513012542937.

Almost surely, 212312301030212 is an apocalyptic number.

12312301030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12312301030212 is an abundant number, since it is smaller than the sum of its proper divisors (16416401373644).

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

12312301030212 is a wasteful number, since it uses less digits than its factorization.

12312301030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026025085858 (or 1026025085856 counting only the distinct ones).

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

Adding to 12312301030212 its reverse (21203010321321), we get a palindrome (33515311351533).

The spelling of 12312301030212 in words is "twelve trillion, three hundred twelve billion, three hundred one million, thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1026025085851 2052050171702 3078075257553 4104100343404 6156150515106 12312301030212