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12313222232212 = 2211279845959823
BaseRepresentation
bin1011001100101110010100…
…1111001011100010010100
31121121010120121222010021201
42303023211033023202110
53103214434342412322
642104341033322244
72410413061033666
oct263134517134224
947533517863251
1012313222232212
113a1800aa43940
12146a475266384
136b419395c925
14307d6abb8536
151654662ccd27
hexb32e53cb894

12313222232212 has 12 divisors (see below), whose sum is σ = 23507060625216. Its totient is φ = 5596919196440.

The previous prime is 12313222232173. The next prime is 12313222232219. The reversal of 12313222232212 is 21223222231321.

12313222232212 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 not an unprimeable number, because it can be changed into a prime (12313222232219) 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, 139922979868 + ... + 139922979955.

It is an arithmetic number, because the mean of its divisors is an integer number (1958921718768).

Almost surely, 212313222232212 is an apocalyptic number.

It is an amenable number.

12313222232212 is a deficient number, since it is larger than the sum of its proper divisors (11193838393004).

12313222232212 is a wasteful number, since it uses less digits than its factorization.

12313222232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279845959838 (or 279845959836 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 12313222232212 its reverse (21223222231321), we get a palindrome (33536444463533).

The spelling of 12313222232212 in words is "twelve trillion, three hundred thirteen billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 279845959823 559691919646 1119383839292 3078305558053 6156611116106 12313222232212