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1312110212102 = 21574178694943
BaseRepresentation
bin10011000101111111110…
…111001111010000000110
311122102210012211222011022
4103011333313033100012
5132444200203241402
62442435231311142
7163540212532244
oct23057767172006
94572705758138
101312110212102
1146651000a848
1219236707b4b2
1396968039a11
1447713a95794
15241e71b62a2
hex1317fdcf406

1312110212102 has 8 divisors (see below), whose sum is σ = 1980701403456. Its totient is φ = 651876410952.

The previous prime is 1312110212099. The next prime is 1312110212137. The reversal of 1312110212102 is 2012120112131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089347158 + ... + 2089347785.

It is an arithmetic number, because the mean of its divisors is an integer number (247587675432).

Almost surely, 21312110212102 is an apocalyptic number.

1312110212102 is a deficient number, since it is larger than the sum of its proper divisors (668591191354).

1312110212102 is a wasteful number, since it uses less digits than its factorization.

1312110212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178695102.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1312110212102 its reverse (2012120112131), we get a palindrome (3324230324233).

The spelling of 1312110212102 in words is "one trillion, three hundred twelve billion, one hundred ten million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 157 314 4178694943 8357389886 656055106051 1312110212102