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12131232034042 = 2111495197171209
BaseRepresentation
bin1011000010001000010111…
…0001101010110011111010
31120221201211102022011101201
42300202011301222303322
53042224230400042132
641445002220004414
72361311144624602
oct260420561526372
946851742264351
1012131232034042
11395791024a390
12143b14509070a
1369cc7c8c3634
142dd224955c02
15160863eeb2e7
hexb0885c6acfa

12131232034042 has 32 divisors (see below), whose sum is σ = 19985001048000. Its totient is φ = 5477006044800.

The previous prime is 12131232034037. The next prime is 12131232034043. The reversal of 12131232034042 is 24043023213121.

It is a self number, because there is not a number n which added to its sum of digits gives 12131232034042.

It is not an unprimeable number, because it can be changed into a prime (12131232034043) 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, 170325334 + ... + 170396542.

It is an arithmetic number, because the mean of its divisors is an integer number (624531282750).

Almost surely, 212131232034042 is an apocalyptic number.

12131232034042 is a deficient number, since it is larger than the sum of its proper divisors (7853769013958).

12131232034042 is a wasteful number, since it uses less digits than its factorization.

12131232034042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123342.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12131232034042 its reverse (24043023213121), we get a palindrome (36174255247163).

The spelling of 12131232034042 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty-two million, thirty-four thousand, forty-two".

Divisors: 1 2 11 22 149 298 1639 3278 51971 71209 103942 142418 571681 783299 1143362 1566598 7743679 10610141 15487358 21220282 85180469 116711551 170360938 233423102 3700802939 7401605878 40708832329 81417664658 551419637911 1102839275822 6065616017021 12131232034042