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13212013112131 = 293712313152947
BaseRepresentation
bin1100000001000010100101…
…0110010010101101000011
31201210001111220120112120211
43000100221112102231003
53212431200324042011
644033303125214551
72532352000333051
oct300205126225503
951701456515524
1013212013112131
114234201a68939
1215946b0561457
1374ab6ca80362
143396717791d1
1517da1c5bbb21
hexc0429592b43

13212013112131 has 8 divisors (see below), whose sum is σ = 14036994360720. Its totient is φ = 12411658169568.

The previous prime is 13212013112117. The next prime is 13212013112143. The reversal of 13212013112131 is 13121131021231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13212013112131 is a prime.

It is a super-2 number, since 2×132120131121312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212013112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6156575401 + ... + 6156577546.

It is an arithmetic number, because the mean of its divisors is an integer number (1754624295090).

Almost surely, 213212013112131 is an apocalyptic number.

13212013112131 is a deficient number, since it is larger than the sum of its proper divisors (824981248589).

13212013112131 is a wasteful number, since it uses less digits than its factorization.

13212013112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313153013.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13212013112131 its reverse (13121131021231), we get a palindrome (26333144133362).

The spelling of 13212013112131 in words is "thirteen trillion, two hundred twelve billion, thirteen million, one hundred twelve thousand, one hundred thirty-one".

Divisors: 1 29 37 1073 12313152947 357081435463 455586659039 13212013112131