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1312012213102 = 2171123216115901
BaseRepresentation
bin10011000101111010000…
…001011001101101101110
311122102112101110002210201
4103011322001121231232
5132444000111304402
62442421411024114
7163534612543003
oct23057201315556
94572471402721
101312012213102
1146646a765738
1219233a29b03a
1396950946c46
1447704a658aa
15241dd7a9687
hex1317a059b6e

1312012213102 has 32 divisors (see below), whose sum is σ = 2086736006304. Its totient is φ = 616543488000.

The previous prime is 1312012213069. The next prime is 1312012213111. The reversal of 1312012213102 is 2013122102131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312012213102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82503352 + ... + 82519252.

It is an arithmetic number, because the mean of its divisors is an integer number (65210500197).

Almost surely, 21312012213102 is an apocalyptic number.

1312012213102 is a deficient number, since it is larger than the sum of its proper divisors (774723793202).

1312012213102 is a wasteful number, since it uses less digits than its factorization.

1312012213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19204.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1312012213102 its reverse (2013122102131), we get a palindrome (3325134315233).

The spelling of 1312012213102 in words is "one trillion, three hundred twelve billion, twelve million, two hundred thirteen thousand, one hundred two".

Divisors: 1 2 17 34 1123 2161 2246 4322 15901 19091 31802 36737 38182 73474 270317 540634 2426803 4853606 17856823 34362061 35713646 41255651 68724122 82511302 303565991 584155037 607131982 1168310074 38588594503 77177189006 656006106551 1312012213102