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12133110002421 = 313743168494081
BaseRepresentation
bin1011000010001111010110…
…1101100011001011110101
31120221220200022000211201010
42300203311231203023311
53042242102130034141
641445512423222433
72361405530244222
oct260436555431365
946856608024633
1012133110002421
113958694317871
12143b589ba7a19
136a01bb9b2125
142dd362126949
15160923d06416
hexb08f5b632f5

12133110002421 has 16 divisors (see below), whose sum is σ = 16333372770048. Its totient is φ = 8011067596800.

The previous prime is 12133110002413. The next prime is 12133110002437. The reversal of 12133110002421 is 12420001133121.

It is not a de Polignac number, because 12133110002421 - 23 = 12133110002413 is a prime.

It is a super-2 number, since 2×121331100024212 (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 (12133110002441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34069900 + ... + 34424181.

It is an arithmetic number, because the mean of its divisors is an integer number (1020835798128).

Almost surely, 212133110002421 is an apocalyptic number.

It is an amenable number.

12133110002421 is a deficient number, since it is larger than the sum of its proper divisors (4200262767627).

12133110002421 is a wasteful number, since it uses less digits than its factorization.

12133110002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68494652.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12133110002421 its reverse (12420001133121), we get a palindrome (24553111135542).

The spelling of 12133110002421 in words is "twelve trillion, one hundred thirty-three billion, one hundred ten million, two thousand, four hundred twenty-one".

Divisors: 1 3 137 411 431 1293 59047 177141 68494081 205482243 9383689097 28151067291 29520948911 88562846733 4044370000807 12133110002421