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10212131321012 = 225874349289319
BaseRepresentation
bin1001010010011011001001…
…1101011011010010110100
31100011021021222201220020102
42110212302131123102310
52314303421104233022
633415215515253232
72102542064000165
oct224466235332264
940137258656212
1010212131321012
113287a389a0255
12118b21a14a218
13590ccc89b04a
142743ac45376c
1512a993427a92
hex949b275b4b4

10212131321012 has 12 divisors (see below), whose sum is σ = 17901674841120. Its totient is φ = 5097367080696.

The previous prime is 10212131321011. The next prime is 10212131321027. The reversal of 10212131321012 is 21012313121201.

10212131321012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102121313210122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212131321011) 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, 2174642312 + ... + 2174647007.

It is an arithmetic number, because the mean of its divisors is an integer number (1491806236760).

Almost surely, 210212131321012 is an apocalyptic number.

It is an amenable number.

10212131321012 is a deficient number, since it is larger than the sum of its proper divisors (7689543520108).

10212131321012 is a wasteful number, since it uses less digits than its factorization.

10212131321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349289910 (or 4349289908 counting only the distinct ones).

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

Adding to 10212131321012 its reverse (21012313121201), we get a palindrome (31224444442213).

The spelling of 10212131321012 in words is "ten trillion, two hundred twelve billion, one hundred thirty-one million, three hundred twenty-one thousand, twelve".

Divisors: 1 2 4 587 1174 2348 4349289319 8698578638 17397157276 2553032830253 5106065660506 10212131321012