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12131232033333 = 372919919921237
BaseRepresentation
bin1011000010001000010111…
…0001101010101000110101
31120221201211102022010102110
42300202011301222220311
53042224230400031313
641445002220001233
72361311144622540
oct260420561525065
946851742263373
1012131232033333
1139579102498a6
12143b145090219
1369cc7c8c320a
142dd224955857
15160863eeaec3
hexb0885c6aa35

12131232033333 has 16 divisors (see below), whose sum is σ = 19123124388480. Its totient is φ = 6693093535296.

The previous prime is 12131232033331. The next prime is 12131232033341. The reversal of 12131232033333 is 33333023213121.

It is not a de Polignac number, because 12131232033333 - 21 = 12131232033331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12131232033333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131232033331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9959960010 + ... + 9959961227.

It is an arithmetic number, because the mean of its divisors is an integer number (1195195274280).

Almost surely, 212131232033333 is an apocalyptic number.

It is an amenable number.

12131232033333 is a deficient number, since it is larger than the sum of its proper divisors (6991892355147).

12131232033333 is a wasteful number, since it uses less digits than its factorization.

12131232033333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19919921276.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 12131232033333 its reverse (33333023213121), we get a palindrome (45464255246454).

The spelling of 12131232033333 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty-two million, thirty-three thousand, three hundred thirty-three".

Divisors: 1 3 7 21 29 87 203 609 19919921237 59759763711 139439448659 418318345977 577677715873 1733033147619 4043744011111 12131232033333