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10311223101212 = 22111136920612717
BaseRepresentation
bin1001011000001100010011…
…0010100100011100011100
31100111202001212101220010202
42112003010302210130130
52322414341103214322
633532524400123032
72112650502143435
oct226030462443434
940452055356122
1010311223101212
113315a6869a380
1211a6473906478
1359a462196907
142790cca1848c
1512d342a60292
hex960c4ca471c

10311223101212 has 24 divisors (see below), whose sum is σ = 19686794707440. Its totient is φ = 4686507109760.

The previous prime is 10311223101197. The next prime is 10311223101227. The reversal of 10311223101212 is 21210132211301.

It is an interprime number because it is at equal distance from previous prime (10311223101197) and next prime (10311223101227).

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, 9806123 + ... + 10806594.

It is an arithmetic number, because the mean of its divisors is an integer number (820283112810).

Almost surely, 210311223101212 is an apocalyptic number.

It is an amenable number.

10311223101212 is a deficient number, since it is larger than the sum of its proper divisors (9375571606228).

10311223101212 is a wasteful number, since it uses less digits than its factorization.

10311223101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20624101 (or 20624099 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10311223101212 its reverse (21210132211301), we get a palindrome (31521355312513).

The spelling of 10311223101212 in words is "ten trillion, three hundred eleven billion, two hundred twenty-three million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 11369 22738 45476 125059 250118 500236 20612717 41225434 82450868 226739887 453479774 906959548 234345979573 468691959146 937383918292 2577805775303 5155611550606 10311223101212